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30940251629 = 737223535697
BaseRepresentation
bin11100110100001011…
…101100010111101101
32221212021112122010112
4130310023230113231
51001331201023004
622114100545405
72143504541150
oct346413542755
987767478115
1030940251629
1112137a68aa1
125bb59b2265
132bc1112a01
1416d7281c97
15c11456e6e
hex7342ec5ed

30940251629 has 16 divisors (see below), whose sum is σ = 36478891008. Its totient is φ = 25687694592.

The previous prime is 30940251619. The next prime is 30940251631. The reversal of 30940251629 is 92615204903.

It is not a de Polignac number, because 30940251629 - 28 = 30940251373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30940251619) 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, 210092 + ... + 325605.

It is an arithmetic number, because the mean of its divisors is an integer number (2279930688).

Almost surely, 230940251629 is an apocalyptic number.

It is an amenable number.

30940251629 is a deficient number, since it is larger than the sum of its proper divisors (5538639379).

30940251629 is a wasteful number, since it uses less digits than its factorization.

30940251629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535964.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 30940251629 in words is "thirty billion, nine hundred forty million, two hundred fifty-one thousand, six hundred twenty-nine".

Divisors: 1 7 37 223 259 1561 8251 57757 535697 3749879 19820789 119460431 138745523 836223017 4420035947 30940251629