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51252341145 = 3573461101531
BaseRepresentation
bin101111101110111000…
…001010100110011001
311220021212022200201020
4233232320022212121
51314431044404040
635313415313053
73463036466055
oct575670124631
9156255280636
1051252341145
111a810679535
129b2437b789
134aaa35c0a5
1426a2ba6c65
1514ee7bdcd0
hexbeee0a999

51252341145 has 32 divisors (see below), whose sum is σ = 83308224384. Its totient is φ = 26901388800.

The previous prime is 51252341131. The next prime is 51252341159. The reversal of 51252341145 is 54114325215.

It is an interprime number because it is at equal distance from previous prime (51252341131) and next prime (51252341159).

It is not a de Polignac number, because 51252341145 - 211 = 51252339097 is a prime.

It is a super-2 number, since 2×512523411452 (a number of 22 digits) contains 22 as substring.

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, 454030 + ... + 555560.

It is an arithmetic number, because the mean of its divisors is an integer number (2603382012).

Almost surely, 251252341145 is an apocalyptic number.

It is an amenable number.

51252341145 is a deficient number, since it is larger than the sum of its proper divisors (32055883239).

51252341145 is a wasteful number, since it uses less digits than its factorization.

51252341145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102073.

The product of its digits is 24000, while the sum is 33.

The spelling of 51252341145 in words is "fifty-one billion, two hundred fifty-two million, three hundred forty-one thousand, one hundred forty-five".

Divisors: 1 3 5 15 73 219 365 461 1095 1383 2305 6915 33653 100959 101531 168265 304593 504795 507655 1522965 7411763 22235289 37058815 46805791 111176445 140417373 234028955 702086865 3416822743 10250468229 17084113715 51252341145