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42509929190 = 2517250058407
BaseRepresentation
bin100111100101110010…
…100000101011100110
311001201120221011001212
4213211302200223212
51144030020213230
631310115151422
73033302302421
oct474562405346
9131646834055
1042509929190
1117034823a93
1282a45a5572
13401607a271
1420b3a849b8
15118c024895
hex9e5ca0ae6

42509929190 has 16 divisors (see below), whose sum is σ = 81018924192. Its totient is φ = 16003737984.

The previous prime is 42509929153. The next prime is 42509929211. The reversal of 42509929190 is 9192990524.

42509929190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×425099291902 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125029034 + ... + 125029373.

It is an arithmetic number, because the mean of its divisors is an integer number (5063682762).

Almost surely, 242509929190 is an apocalyptic number.

42509929190 is a deficient number, since it is larger than the sum of its proper divisors (38508995002).

42509929190 is a wasteful number, since it uses less digits than its factorization.

42509929190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250058431.

The product of its (nonzero) digits is 524880, while the sum is 50.

The spelling of 42509929190 in words is "forty-two billion, five hundred nine million, nine hundred twenty-nine thousand, one hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 250058407 500116814 1250292035 2500584070 4250992919 8501985838 21254964595 42509929190