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131372254232 = 23611791503941
BaseRepresentation
bin111101001011001100…
…1011000010000011000
3110120002120001222112122
41322112121120100120
54123022244113412
6140203535200412
712330345510362
oct1722631302030
9416076058478
10131372254232
115079523803a
1221564376108
13c50828a39b
146503837d32
15363d577572
hex1e96658418

131372254232 has 32 divisors (see below), whose sum is σ = 251759890800. Its totient is φ = 64248316800.

The previous prime is 131372254099. The next prime is 131372254241. The reversal of 131372254232 is 232452273131.

It is a junction number, because it is equal to n+sod(n) for n = 131372254192 and 131372254201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664619 + ... + 839322.

Almost surely, 2131372254232 is an apocalyptic number.

It is an amenable number.

131372254232 is a deficient number, since it is larger than the sum of its proper divisors (120387636568).

131372254232 is a wasteful number, since it uses less digits than its factorization.

131372254232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504187 (or 1504183 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The spelling of 131372254232 in words is "one hundred thirty-one billion, three hundred seventy-two million, two hundred fifty-four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 61 122 179 244 358 488 716 1432 10919 21838 43676 87352 1503941 3007882 6015764 12031528 91740401 183480802 269205439 366961604 538410878 733923208 1076821756 2153643512 16421531779 32843063558 65686127116 131372254232