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20120210011984 = 241845168154199
BaseRepresentation
bin1001001001100100110011…
…11110000111011101010000
32122020110210000210211102211
410210302121332013131100
510114122142230340414
6110443032531521504
74144431363201055
oct444623176073520
978213700724384
1020120210011984
116457a2a023285
12230b521759294
13b2c434b4c544
144d7b7543102c
1524d58d4c23c4
hex124c99f87750

20120210011984 has 20 divisors (see below), whose sum is σ = 38985020250400. Its totient is φ = 10059559624800.

The previous prime is 20120210011969. The next prime is 20120210012003. The reversal of 20120210011984 is 48911001202102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33781884 + ... + 34372315.

It is an arithmetic number, because the mean of its divisors is an integer number (1949251012520).

Almost surely, 220120210011984 is an apocalyptic number.

It is an amenable number.

20120210011984 is a deficient number, since it is larger than the sum of its proper divisors (18864810238416).

20120210011984 is a wasteful number, since it uses less digits than its factorization.

20120210011984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68172658 (or 68172652 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 20120210011984 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, eleven thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 18451 36902 73804 147608 295216 68154199 136308398 272616796 545233592 1090467184 1257513125749 2515026251498 5030052502996 10060105005992 20120210011984