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108515383412 = 22227171194209
BaseRepresentation
bin110010100010000000…
…1010101100001110100
3101101002121211122021112
41211010001111201310
53234214414232122
6121503513134152
710561053353132
oct1450401254164
9341077748245
10108515383412
1142026117757
12190456ba358
13a304a62957
145375d66752
152c51adb2e2
hex1944055874

108515383412 has 12 divisors (see below), whose sum is σ = 189910439460. Its totient is φ = 54255257856.

The previous prime is 108515383393. The next prime is 108515383441. The reversal of 108515383412 is 214383515801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13913617936 + 94601765476 = 117956^2 + 307574^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 108515383412.

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, 506237 + ... + 687972.

It is an arithmetic number, because the mean of its divisors is an integer number (15825869955).

Almost surely, 2108515383412 is an apocalyptic number.

It is an amenable number.

108515383412 is a deficient number, since it is larger than the sum of its proper divisors (81395056048).

108515383412 is a wasteful number, since it uses less digits than its factorization.

108515383412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216930 (or 1216928 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 108515383412 in words is "one hundred eight billion, five hundred fifteen million, three hundred eighty-three thousand, four hundred twelve".

Divisors: 1 2 4 22717 45434 90868 1194209 2388418 4776836 27128845853 54257691706 108515383412