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5451171929 = 73299236053
BaseRepresentation
bin1010001001110101…
…00100100001011001
3112001220100020002122
411010322210201121
542131000000204
62300525311025
7252041124350
oct50472444131
915056306078
105451171929
112348054175
121081705475
1368b478b28
14399d86997
1521d8770be
hex144ea4859

5451171929 has 8 divisors (see below), whose sum is σ = 6231825600. Its totient is φ = 4670996976.

The previous prime is 5451171911. The next prime is 5451171937. The reversal of 5451171929 is 9291711545.

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-5451171929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5451171929.

It is not an unprimeable number, because it can be changed into a prime (5451171949) 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, 94934 + ... + 141119.

It is an arithmetic number, because the mean of its divisors is an integer number (778978200).

Almost surely, 25451171929 is an apocalyptic number.

It is an amenable number.

5451171929 is a deficient number, since it is larger than the sum of its proper divisors (780653671).

5451171929 is a wasteful number, since it uses less digits than its factorization.

5451171929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239359.

The product of its digits is 113400, while the sum is 44.

The square root of 5451171929 is about 73832.0521792534. The cubic root of 5451171929 is about 1759.9349934022.

The spelling of 5451171929 in words is "five billion, four hundred fifty-one million, one hundred seventy-one thousand, nine hundred twenty-nine".

Divisors: 1 7 3299 23093 236053 1652371 778738847 5451171929