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31089032668516 = 224129727012
BaseRepresentation
bin1110001000110011110101…
…01111111010010101100100
311002002002020010210100202111
413010121322233322111210
513033330314330343031
6150042034320450404
76356052132342334
oct704317257722544
9132062203710674
1031089032668516
1199a686a4a7629
1235a131a179a04
1314468b5cba664
14796a080490c4
1538da6c9e01b1
hex1c467abfa564

31089032668516 has 81 divisors (see below), whose sum is σ = 56426462468481. Its totient is φ = 14987626752000.

The previous prime is 31089032668483. The next prime is 31089032668553. The reversal of 31089032668516 is 61586623098013.

The square root of 31089032668516 is 5575754.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 21874796702500 + 9214235966016 = 4677050^2 + 3035496^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 44349546966 + ... + 44349547666.

Almost surely, 231089032668516 is an apocalyptic number.

31089032668516 is the 5575754-th square number.

It is an amenable number.

31089032668516 is a deficient number, since it is larger than the sum of its proper divisors (25337429799965).

31089032668516 is an frugal number, since it uses more digits than its factorization.

31089032668516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 31089032668516 in words is "thirty-one trillion, eighty-nine billion, thirty-two million, six hundred sixty-eight thousand, five hundred sixteen".

Divisors: 1 2 4 41 82 97 164 194 388 701 1402 1681 2804 3362 3977 6724 7954 9409 15908 18818 28741 37636 57482 67997 114964 135994 163057 271988 326114 385769 491401 652228 771538 982802 1178381 1543076 1965604 2356762 2787877 4713524 5575754 6595709 11151508 13191418 15816529 20147441 26382836 31633058 40294882 47665897 63266116 80589764 95331794 114302957 190663588 228605914 270424069 457211828 540848138 826045081 1081696276 1652090162 1954301777 3304180324 3908603554 4623592009 7817207108 9247184018 11087386829 18494368036 22174773658 44349547316 80126372857 160252745714 189567272369 320505491428 379134544738 758269089476 7772258167129 15544516334258 31089032668516