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51002650627601 = 1153157492808733
BaseRepresentation
bin10111001100010111110101…
…10111111000111000010001
320200120210202102012112010112
423212023322313320320101
523141111412030040401
6300250143320011105
713512551141221331
oct1346137267707021
9220523672175115
1051002650627601
1115284114708802
1258787a4600a95
13225c6b5ba96ca
14c84781ab10c1
155d6a68e573bb
hex2e62fadf8e11

51002650627601 has 8 divisors (see below), whose sum is σ = 51050144817000. Its totient is φ = 50955162089472.

The previous prime is 51002650627531. The next prime is 51002650627613. The reversal of 51002650627601 is 10672605620015.

It can be written as a sum of positive squares in 4 ways, for example, as 6969605280001 + 44033045347600 = 2640001^2 + 6635740^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51002650627601 is a prime.

It is a super-2 number, since 2×510026506276012 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51002650627001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16754231 + ... + 19562963.

It is an arithmetic number, because the mean of its divisors is an integer number (6381268102125).

Almost surely, 251002650627601 is an apocalyptic number.

It is an amenable number.

51002650627601 is a deficient number, since it is larger than the sum of its proper divisors (47494189399).

51002650627601 is a wasteful number, since it uses less digits than its factorization.

51002650627601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825635.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 51002650627601 in words is "fifty-one trillion, two billion, six hundred fifty million, six hundred twenty-seven thousand, six hundred one".

Divisors: 1 1153 15749 2808733 18158597 3238469149 44234736017 51002650627601