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102123331312 = 24731373132039
BaseRepresentation
bin101111100011100000…
…1100101111011110000
3100202121011001202020011
41133013001211323300
53133122033100222
6114525333224304
710243465664542
oct1370701457360
9322534052204
10102123331312
113a345a5a372
1217960a92094
1398266a90c2
144d2b061692
1529ca85ec77
hex17c7065ef0

102123331312 has 80 divisors (see below), whose sum is σ = 202783360320. Its totient is φ = 49810415616.

The previous prime is 102123331291. The next prime is 102123331337. The reversal of 102123331312 is 213133321201.

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, 50083989 + ... + 50086027.

It is an arithmetic number, because the mean of its divisors is an integer number (2534792004).

Almost surely, 2102123331312 is an apocalyptic number.

It is an amenable number.

102123331312 is a deficient number, since it is larger than the sum of its proper divisors (100660029008).

102123331312 is a wasteful number, since it uses less digits than its factorization.

102123331312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570 (or 2564 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 102123331312 its reverse (213133321201), we get a palindrome (315256652513).

The spelling of 102123331312 in words is "one hundred two billion, one hundred twenty-three million, three hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 73 137 146 274 292 313 548 584 626 1096 1168 1252 2039 2192 2504 4078 5008 8156 10001 16312 20002 22849 32624 40004 42881 45698 80008 85762 91396 148847 160016 171524 182792 279343 297694 343048 365584 558686 595388 638207 686096 1117372 1190776 1276414 2234744 2381552 2552828 3130313 4469488 5105656 6260626 10211312 12521252 20392039 25042504 40784078 46589111 50085008 81568156 87434359 93178222 163136312 174868718 186356444 326272624 349737436 372712888 699474872 745425776 1398949744 6382708207 12765416414 25530832828 51061665656 102123331312