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12445072800924 = 22313719938040179
BaseRepresentation
bin1011010100011001100000…
…1001001011110010011100
31122001201220112001222221110
42311012120021023302130
53112400002114112144
642245104300502020
72423061335262261
oct265063011136234
948051815058843
1012445072800924
113a68a201766a5
12148bb3184a910
136c374704b71a
143104b7d61268
15168ad18380b9
hexb519824bc9c

12445072800924 has 48 divisors (see below), whose sum is σ = 29397451104000. Its totient is φ = 4097383652736.

The previous prime is 12445072800899. The next prime is 12445072800931. The reversal of 12445072800924 is 42900827054421.

It is a happy number.

It is a congruent number.

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, 18692934 + ... + 19347245.

It is an arithmetic number, because the mean of its divisors is an integer number (612446898000).

Almost surely, 212445072800924 is an apocalyptic number.

It is an amenable number.

12445072800924 is an abundant number, since it is smaller than the sum of its proper divisors (16952378303076).

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

12445072800924 is a wasteful number, since it uses less digits than its factorization.

12445072800924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38040522 (or 38040520 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 12445072800924 in words is "twelve trillion, four hundred forty-five billion, seventy-two million, eight hundred thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 12 137 199 274 398 411 548 597 796 822 1194 1644 2388 27263 54526 81789 109052 163578 327156 38040179 76080358 114120537 152160716 228241074 456482148 5211504523 7569995621 10423009046 15139991242 15634513569 20846018092 22709986863 30279982484 31269027138 45419973726 62538054276 90839947452 1037089400077 2074178800154 3111268200231 4148357600308 6222536400462 12445072800924