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309433630152 = 23312893067923
BaseRepresentation
bin1001000000010111010…
…11100111110111001000
31002120200221222002111110
410200023223213313020
520032210002131102
6354052444330320
731233024313263
oct4401353476710
91076627862443
10309433630152
1110a259243259
124bb788439a0
132324439689a
1410d95d93cda
1580b099386c
hex480bae7dc8

309433630152 has 16 divisors (see below), whose sum is σ = 773584075440. Its totient is φ = 103144543376.

The previous prime is 309433630091. The next prime is 309433630183. The reversal of 309433630152 is 251036334903.

It is a self number, because there is not a number n which added to its sum of digits gives 309433630152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6446533938 + ... + 6446533985.

It is an arithmetic number, because the mean of its divisors is an integer number (48349004715).

Almost surely, 2309433630152 is an apocalyptic number.

It is an amenable number.

309433630152 is an abundant number, since it is smaller than the sum of its proper divisors (464150445288).

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

309433630152 is a wasteful number, since it uses less digits than its factorization.

309433630152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12893067932 (or 12893067928 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 39.

The spelling of 309433630152 in words is "three hundred nine billion, four hundred thirty-three million, six hundred thirty thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 12893067923 25786135846 38679203769 51572271692 77358407538 103144543384 154716815076 309433630152