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159420281408 = 2612911929467
BaseRepresentation
bin1001010001111000110…
…0000111001001000000
3120020111021101101120222
42110132030013021000
510102443043001113
6201123041522212
714342404014353
oct2243614071100
9506437341528
10159420281408
1161678657a93
1226a91643368
131205812257b
147a0492a29a
154230b28e08
hex251e307240

159420281408 has 28 divisors (see below), whose sum is σ = 316594827312. Its totient is φ = 79648356480.

The previous prime is 159420281399. The next prime is 159420281443. The reversal of 159420281408 is 804182024951.

It is a super-2 number, since 2×1594202814082 (a number of 23 digits) contains 22 as substring.

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, 882110 + ... + 1047357.

Almost surely, 2159420281408 is an apocalyptic number.

It is an amenable number.

159420281408 is a deficient number, since it is larger than the sum of its proper divisors (157174545904).

159420281408 is a wasteful number, since it uses less digits than its factorization.

159420281408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930770 (or 1930760 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 159420281408 in words is "one hundred fifty-nine billion, four hundred twenty million, two hundred eighty-one thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 64 1291 2582 5164 10328 20656 41312 82624 1929467 3858934 7717868 15435736 30871472 61742944 123485888 2490941897 4981883794 9963767588 19927535176 39855070352 79710140704 159420281408