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20120573462 = 2112927314897
BaseRepresentation
bin10010101111010001…
…111001011000010110
31220221020102000221112
4102233101321120112
5312201331322322
613124313415022
71311415024013
oct225721713026
956836360845
1020120573462
1185955a2710
123a9640a472
131b88672892
14d8c31070a
157cb6365e2
hex4af479616

20120573462 has 48 divisors (see below), whose sum is σ = 34568484912. Its totient is φ = 8708797440.

The previous prime is 20120573387. The next prime is 20120573513. The reversal of 20120573462 is 26437502102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1343198 + ... + 1358094.

It is an arithmetic number, because the mean of its divisors is an integer number (720176769).

Almost surely, 220120573462 is an apocalyptic number.

20120573462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20120573462 is a deficient number, since it is larger than the sum of its proper divisors (14447911450).

20120573462 is a wasteful number, since it uses less digits than its factorization.

20120573462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15041 (or 15012 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 20120573462 in words is "twenty billion, one hundred twenty million, five hundred seventy-three thousand, four hundred sixty-two".

Divisors: 1 2 11 22 29 58 73 146 319 638 803 841 1606 1682 2117 4234 9251 14897 18502 23287 29794 46574 61393 122786 163867 327734 432013 675323 864026 1087481 1350646 2174962 4752143 9504286 11962291 12528377 23924582 25056754 31536949 63073898 137812147 275624294 346906439 693812878 914571521 1829143042 10060286731 20120573462