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23516290490 = 2571130540637
BaseRepresentation
bin10101111001101011…
…100001110110111010
32020200220001022222212
4111321223201312322
5341130132243430
614445255415122
71461520112450
oct257153416672
966626038885
1023516290490
119a78373120
1246836844a2
1322aa0290b4
1411d12c49d0
159297e4b95
hex579ae1dba

23516290490 has 32 divisors (see below), whose sum is σ = 52774222464. Its totient is φ = 7329752640.

The previous prime is 23516290433. The next prime is 23516290507. The reversal of 23516290490 is 9409261532.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15269549 + ... + 15271088.

It is an arithmetic number, because the mean of its divisors is an integer number (1649194452).

Almost surely, 223516290490 is an apocalyptic number.

23516290490 is an abundant number, since it is smaller than the sum of its proper divisors (29257931974).

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

23516290490 is a wasteful number, since it uses less digits than its factorization.

23516290490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30540662.

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

The spelling of 23516290490 in words is "twenty-three billion, five hundred sixteen million, two hundred ninety thousand, four hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 30540637 61081274 152703185 213784459 305406370 335947007 427568918 671894014 1068922295 1679735035 2137844590 2351629049 3359470070 4703258098 11758145245 23516290490