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42901372409 = 731732708249
BaseRepresentation
bin100111111101000111…
…101111110111111001
311002201212111112012212
4213331013233313321
51200330222404114
631413021144505
73046064435330
oct477507576771
9132655445185
1042901372409
1117215785085
1283936bb135
1340791b3b7c
14210da5cd17
1511b1597b3e
hex9fd1efdf9

42901372409 has 16 divisors (see below), whose sum is σ = 51305088000. Its totient is φ = 35098894080.

The previous prime is 42901372301. The next prime is 42901372433. The reversal of 42901372409 is 90427310924.

It is a cyclic number.

It is not a de Polignac number, because 42901372409 - 212 = 42901368313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42901372439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338284 + ... + 1369965.

It is an arithmetic number, because the mean of its divisors is an integer number (3206568000).

Almost surely, 242901372409 is an apocalyptic number.

It is an amenable number.

42901372409 is a deficient number, since it is larger than the sum of its proper divisors (8403715591).

42901372409 is a wasteful number, since it uses less digits than its factorization.

42901372409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708360.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 42901372409 in words is "forty-two billion, nine hundred one million, three hundred seventy-two thousand, four hundred nine".

Divisors: 1 7 31 73 217 511 2263 15841 2708249 18957743 83955719 197702177 587690033 1383915239 6128767487 42901372409