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159318342557 = 1122357246979
BaseRepresentation
bin1001010001100000011…
…1001111101110011101
3120020020011120100202222
42110120013033232131
510102240443430212
6201105000555125
714340025365503
oct2243007175635
9506204510688
10159318342557
1161626061900
1226a63482aa5
131203cc8041a
1479d5192673
154226bdec72
hex25181cfb9d

159318342557 has 12 divisors (see below), whose sum is σ = 182732360160. Its totient is φ = 138537686760.

The previous prime is 159318342487. The next prime is 159318342559. The reversal of 159318342557 is 755243813951.

It is a de Polignac number, because none of the positive numbers 2k-159318342557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159318342499 and 159318342508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159318342559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28620707 + ... + 28626272.

It is an arithmetic number, because the mean of its divisors is an integer number (15227696680).

Almost surely, 2159318342557 is an apocalyptic number.

It is an amenable number.

159318342557 is a deficient number, since it is larger than the sum of its proper divisors (23414017603).

159318342557 is a wasteful number, since it uses less digits than its factorization.

159318342557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57247024 (or 57247013 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 53.

The spelling of 159318342557 in words is "one hundred fifty-nine billion, three hundred eighteen million, three hundred forty-two thousand, five hundred fifty-seven".

Divisors: 1 11 23 121 253 2783 57246979 629716769 1316680517 6926884459 14483485687 159318342557