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1293827385475 = 52113891454409
BaseRepresentation
bin10010110100111110000…
…111110010100010000011
311120200121001111010221101
4102310332013302202003
5132144224302313400
62430213123035231
7162322151214562
oct22647607624203
94520531433841
101293827385475
11459788913579
1218a90420bb17
1395013342301
144689b885bd9
15239c709256a
hex12d3e1f2883

1293827385475 has 12 divisors (see below), whose sum is σ = 1604363575320. Its totient is φ = 1035050542400.

The previous prime is 1293827385469. The next prime is 1293827385523. The reversal of 1293827385475 is 5745837283921.

It is not a de Polignac number, because 1293827385475 - 29 = 1293827384963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2620071 + ... + 3074479.

It is an arithmetic number, because the mean of its divisors is an integer number (133696964610).

Almost surely, 21293827385475 is an apocalyptic number.

1293827385475 is a deficient number, since it is larger than the sum of its proper divisors (310536189845).

1293827385475 is a wasteful number, since it uses less digits than its factorization.

1293827385475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568310 (or 568305 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 64.

The spelling of 1293827385475 in words is "one trillion, two hundred ninety-three billion, eight hundred twenty-seven million, three hundred eighty-five thousand, four hundred seventy-five".

Divisors: 1 5 25 113891 454409 569455 2272045 2847275 11360225 51753095419 258765477095 1293827385475