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23102123330 = 25111316155331
BaseRepresentation
bin10101100000111111…
…100110110101000010
32012122000201110110102
4111200333212311002
5334303120421310
614340222402402
71445330544146
oct254077466502
965560643412
1023102123330
119885601210
124588a30402
132242297280
1411922b3226
159032838a5
hex560fe6d42

23102123330 has 32 divisors (see below), whose sum is σ = 48853723968. Its totient is φ = 7754558400.

The previous prime is 23102123329. The next prime is 23102123377. The reversal of 23102123330 is 3332120132.

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, 8076236 + ... + 8079095.

It is an arithmetic number, because the mean of its divisors is an integer number (1526678874).

Almost surely, 223102123330 is an apocalyptic number.

23102123330 is an abundant number, since it is smaller than the sum of its proper divisors (25751600638).

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

23102123330 is a wasteful number, since it uses less digits than its factorization.

23102123330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16155362.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23102123330 its reverse (3332120132), we get a palindrome (26434243462).

The spelling of 23102123330 in words is "twenty-three billion, one hundred two million, one hundred twenty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 16155331 32310662 80776655 161553310 177708641 210019303 355417282 420038606 888543205 1050096515 1777086410 2100193030 2310212333 4620424666 11551061665 23102123330