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30869382999 = 3713261142591
BaseRepresentation
bin11100101111111101…
…010110011101010111
32221200100012010122110
4130233331112131113
51001210030223444
622103050002103
72141654266110
oct345775263527
987610163573
1030869382999
1112100a64384
125b96116333
132bac52ba00
1416cbab5207
15c0a108cb9
hex72ff56757

30869382999 has 48 divisors (see below), whose sum is σ = 51771162624. Its totient is φ = 16015708800.

The previous prime is 30869382967. The next prime is 30869383031. The reversal of 30869382999 is 99928396803.

It is an interprime number because it is at equal distance from previous prime (30869382967) and next prime (30869383031).

It is not a de Polignac number, because 30869382999 - 25 = 30869382967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30869382919) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145194 + ... + 287784.

It is an arithmetic number, because the mean of its divisors is an integer number (1078565888).

Almost surely, 230869382999 is an apocalyptic number.

30869382999 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

30869382999 is a deficient number, since it is larger than the sum of its proper divisors (20901779625).

30869382999 is a wasteful number, since it uses less digits than its factorization.

30869382999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142688 (or 142675 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 66.

The spelling of 30869382999 in words is "thirty billion, eight hundred sixty-nine million, three hundred eighty-two thousand, nine hundred ninety-nine".

Divisors: 1 3 7 13 21 39 61 91 169 183 273 427 507 793 1183 1281 2379 3549 5551 10309 16653 30927 72163 142591 216489 427773 998137 1853683 2994411 5561049 8698051 12975781 24097879 26094153 38927343 60886357 72293637 113074663 168685153 182659071 339223989 506055459 791522641 1469970619 2374567923 4409911857 10289794333 30869382999