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212051121231532 = 221137731784281253
BaseRepresentation
bin110000001101101111111111…
…110000010101011010101100
31000210210220000020022210111111
4300031233333300111122230
5210243221144013402112
62030554535033001404
762444121314534422
oct6015577760253254
91023726006283444
10212051121231532
1161625414857030
121b948b17553264
139142447ac3c9b
143a51486bdb112
15197ae09ed15a7
hexc0dbffc156ac

212051121231532 has 48 divisors (see below), whose sum is σ = 421461506444832. Its totient is φ = 92497140103680.

The previous prime is 212051121231403. The next prime is 212051121231557. The reversal of 212051121231532 is 235132121150212.

It is a junction number, because it is equal to n+sod(n) for n = 212051121231494 and 212051121231503.

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, 892021783 + ... + 892259470.

It is an arithmetic number, because the mean of its divisors is an integer number (8780448050934).

Almost surely, 2212051121231532 is an apocalyptic number.

212051121231532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212051121231532 is a deficient number, since it is larger than the sum of its proper divisors (209410385213300).

212051121231532 is a wasteful number, since it uses less digits than its factorization.

212051121231532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784281378 (or 1784281376 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 212051121231532 its reverse (235132121150212), we get a palindrome (447183242381744).

The spelling of 212051121231532 in words is "two hundred twelve trillion, fifty-one billion, one hundred twenty-one million, two hundred thirty-one thousand, five hundred thirty-two".

Divisors: 1 2 4 11 22 37 44 73 74 146 148 292 407 803 814 1606 1628 2701 3212 5402 10804 29711 59422 118844 1784281253 3568562506 7137125012 19627093783 39254187566 66018406361 78508375132 130252531469 132036812722 260505062938 264073625444 521010125876 726202469971 1432777846159 1452404939942 2865555692318 2904809879884 4819343664353 5731111384636 9638687328706 19277374657412 53012780307883 106025560615766 212051121231532