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7200140506 = 213276928481
BaseRepresentation
bin1101011010010100…
…10110110011011010
3200120210100000221121
412231022112303122
5104221213444011
63150243555454
7343266120166
oct65512266332
920523300847
107200140506
113065323149
12148b38bb8a
138a990c190
144c4377ca6
152c219ee71
hex1ad296cda

7200140506 has 8 divisors (see below), whose sum is σ = 11630996244. Its totient is φ = 3323141760.

The previous prime is 7200140489. The next prime is 7200140557. The reversal of 7200140506 is 6050410027.

It can be written as a sum of positive squares in 2 ways, for example, as 6108829281 + 1091311225 = 78159^2 + 33035^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×72001405062 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138464215 + ... + 138464266.

Almost surely, 27200140506 is an apocalyptic number.

7200140506 is a deficient number, since it is larger than the sum of its proper divisors (4430855738).

7200140506 is a wasteful number, since it uses less digits than its factorization.

7200140506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276928496.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 7200140506 is about 84853.6416778915. The cubic root of 7200140506 is about 1930.9913299677.

The spelling of 7200140506 in words is "seven billion, two hundred million, one hundred forty thousand, five hundred six".

Divisors: 1 2 13 26 276928481 553856962 3600070253 7200140506