Search a number
-
+
158585135839872 = 273758997446369
BaseRepresentation
bin100100000011101101111010…
…101100000011101010000000
3202210111120221210011200100220
4210003231322230003222000
5131241224324233333442
61321141001115543040
745255253334304060
oct4403557254035200
9683446853150326
10158585135839872
114659163a96a535
1215952a4115aa80
136a6468b753141
142b237c0b993a0
15135026b2d1eec
hex903b7ab03a80

158585135839872 has 64 divisors (see below), whose sum is σ = 481419162379200. Its totient is φ = 45310038810624.

The previous prime is 158585135839673. The next prime is 158585135839891. The reversal of 158585135839872 is 278938531585851.

158585135839872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

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, 29498720497 + ... + 29498725872.

It is an arithmetic number, because the mean of its divisors is an integer number (7522174412175).

Almost surely, 2158585135839872 is an apocalyptic number.

158585135839872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158585135839872 is an abundant number, since it is smaller than the sum of its proper divisors (322834026539328).

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

158585135839872 is an equidigital number, since it uses as much as digits as its factorization.

158585135839872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58997446393 (or 58997446381 counting only the distinct ones).

The product of its digits is 2903040000, while the sum is 78.

The spelling of 158585135839872 in words is "one hundred fifty-eight trillion, five hundred eighty-five billion, one hundred thirty-five million, eight hundred thirty-nine thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 336 384 448 672 896 1344 2688 58997446369 117994892738 176992339107 235989785476 353984678214 412982124583 471979570952 707969356428 825964249166 943959141904 1238946373749 1415938712856 1651928498332 1887918283808 2477892747498 2831877425712 3303856996664 3775836567616 4955785494996 5663754851424 6607713993328 7551673135232 9911570989992 11327509702848 13215427986656 19823141979984 22655019405696 26430855973312 39646283959968 52861711946624 79292567919936 158585135839872