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5161390080 = 212357111091
BaseRepresentation
bin1001100111010010…
…01001000000000000
3111022201001210010120
410303221021000000
541032303440310
62212054300240
7241622043330
oct46351110000
914281053116
105161390080
112209519840
121000657680
13643417c92
1436d6b30c0
152031d5b70
hex133a49000

5161390080 has 416 divisors, whose sum is σ = 20608293888. Its totient is φ = 1071513600.

The previous prime is 5161390021. The next prime is 5161390099. The reversal of 5161390080 is 800931615.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4730335 + ... + 4731425.

It is an arithmetic number, because the mean of its divisors is an integer number (49539168).

Almost surely, 25161390080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5161390080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10304146944).

5161390080 is an abundant number, since it is smaller than the sum of its proper divisors (15446903808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5161390080 is a wasteful number, since it uses less digits than its factorization.

5161390080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 5161390080 is about 71842.8150896107. The cubic root of 5161390080 is about 1728.1796795328.

The spelling of 5161390080 in words is "five billion, one hundred sixty-one million, three hundred ninety thousand, eighty".