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123002312132 = 2273325927509
BaseRepresentation
bin111001010001110000…
…0100101010111000100
3102202111020112212111002
41302203200211113010
54003402042442012
6132301222232432
711613053255000
oct1624340452704
9382436485432
10123002312132
114818a664717
121ba09285718
13b7a31cb11b
145d4bd91700
1532ed8547c2
hex1ca38255c4

123002312132 has 48 divisors (see below), whose sum is σ = 251111280000. Its totient is φ = 52697185632.

The previous prime is 123002312093. The next prime is 123002312201. The reversal of 123002312132 is 231213200321.

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, 4457594 + ... + 4485102.

It is an arithmetic number, because the mean of its divisors is an integer number (5231485000).

Almost surely, 2123002312132 is an apocalyptic number.

It is an amenable number.

123002312132 is an abundant number, since it is smaller than the sum of its proper divisors (128108967868).

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

123002312132 is a wasteful number, since it uses less digits than its factorization.

123002312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30793 (or 30777 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123002312132 its reverse (231213200321), we get a palindrome (354215512453).

The spelling of 123002312132 in words is "one hundred twenty-three billion, two million, three hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372 3259 6518 13036 22813 27509 45626 55018 91252 110036 159691 192563 319382 385126 638764 770252 1117837 1347941 2235674 2695882 4471348 5391764 9435587 18871174 37742348 89651831 179303662 358607324 627562817 1255125634 2510251268 4392939719 8785879438 17571758876 30750578033 61501156066 123002312132