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23001313434 = 2311348504749
BaseRepresentation
bin10101011010111111…
…000011000010011010
32012101000000210021120
4111122333003002122
5334101314012214
614322221550110
71442664636561
oct253277030232
965330023246
1023001313434
119833707250
12455b115336
13222742bc48
141182b50bd8
158e94bdea9
hex55afc309a

23001313434 has 16 divisors (see below), whose sum is σ = 50184684000. Its totient is φ = 6970094960.

The previous prime is 23001313421. The next prime is 23001313441. The reversal of 23001313434 is 43431310032.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174252309 + ... + 174252440.

It is an arithmetic number, because the mean of its divisors is an integer number (3136542750).

Almost surely, 223001313434 is an apocalyptic number.

23001313434 is an abundant number, since it is smaller than the sum of its proper divisors (27183370566).

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

23001313434 is a wasteful number, since it uses less digits than its factorization.

23001313434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348504765.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 23001313434 its reverse (43431310032), we get a palindrome (66432623466).

The spelling of 23001313434 in words is "twenty-three billion, one million, three hundred thirteen thousand, four hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 348504749 697009498 1045514247 2091028494 3833552239 7667104478 11500656717 23001313434