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12315252153340 = 2254115018600187
BaseRepresentation
bin1011001100110101111000…
…1110101101101111111100
31121121022211002121210120201
42303031132032231233330
53103233114022401330
642105314305453244
72410514300055253
oct263153616555774
947538732553521
1012315252153340
113a18961867704
12146a941041224
136b44283820a6
143080c062179a
15165534600eca
hexb335e3adbfc

12315252153340 has 24 divisors (see below), whose sum is σ = 26492810731632. Its totient is φ = 4805952059520.

The previous prime is 12315252153313. The next prime is 12315252153371. The reversal of 12315252153340 is 4335125251321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12315252153340.

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, 7509299274 + ... + 7509300913.

It is an arithmetic number, because the mean of its divisors is an integer number (1103867113818).

Almost surely, 212315252153340 is an apocalyptic number.

12315252153340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12315252153340 is an abundant number, since it is smaller than the sum of its proper divisors (14177558578292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12315252153340 is a wasteful number, since it uses less digits than its factorization.

12315252153340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15018600237 (or 15018600235 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 12315252153340 in words is "twelve trillion, three hundred fifteen billion, two hundred fifty-two million, one hundred fifty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 15018600187 30037200374 60074400748 75093000935 150186001870 300372003740 615762607667 1231525215334 2463050430668 3078813038335 6157626076670 12315252153340