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30451317432 = 2331268804893
BaseRepresentation
bin11100010111000010…
…100011101010111000
32220121012112012111120
4130113002203222320
5444331014124212
621553353225240
72125416633054
oct342702435270
986535465446
1030451317432
1111a06a7a548
125a9a102220
132b43a33633
14168c36ac64
15bd357788c
hex7170a3ab8

30451317432 has 16 divisors (see below), whose sum is σ = 76128293640. Its totient is φ = 10150439136.

The previous prime is 30451317397. The next prime is 30451317467. The reversal of 30451317432 is 23471315403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30451317397) and next prime (30451317467).

It is a junction number, because it is equal to n+sod(n) for n = 30451317393 and 30451317402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634402423 + ... + 634402470.

Almost surely, 230451317432 is an apocalyptic number.

It is an amenable number.

30451317432 is an abundant number, since it is smaller than the sum of its proper divisors (45676976208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30451317432 is a wasteful number, since it uses less digits than its factorization.

30451317432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268804902 (or 1268804898 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 30451317432 in words is "thirty billion, four hundred fifty-one million, three hundred seventeen thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 1268804893 2537609786 3806414679 5075219572 7612829358 10150439144 15225658716 30451317432