Search a number
-
+
155660147460 = 223251945514663
BaseRepresentation
bin1001000011111000010…
…0010101101100000100
3112212210020000210111200
42100332010111230010
510022242444204320
6155302001102500
714150255264616
oct2207604255404
9485706023450
10155660147460
1160019105774
1226202327a30
13118a9105a3c
1477693b4db6
1540b0985290
hex243e115b04

155660147460 has 72 divisors (see below), whose sum is σ = 497020130880. Its totient is φ = 39324667968.

The previous prime is 155660147459. The next prime is 155660147473. The reversal of 155660147460 is 64741066551.

155660147460 is a `hidden beast` number, since 1 + 5 + 566 + 0 + 1 + 47 + 46 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22753912 + ... + 22760751.

Almost surely, 2155660147460 is an apocalyptic number.

155660147460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155660147460 is an abundant number, since it is smaller than the sum of its proper divisors (341359983420).

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

155660147460 is a wasteful number, since it uses less digits than its factorization.

155660147460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45514697 (or 45514692 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

It can be divided in two parts, 1556601 and 47460, that added together give a palindrome (1604061).

The spelling of 155660147460 in words is "one hundred fifty-five billion, six hundred sixty million, one hundred forty-seven thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 171 180 190 228 285 342 380 570 684 855 1140 1710 3420 45514663 91029326 136543989 182058652 227573315 273087978 409631967 455146630 546175956 682719945 819263934 864778597 910293260 1365439890 1638527868 1729557194 2048159835 2594335791 2730879780 3459114388 4096319670 4323892985 5188671582 7783007373 8192639340 8647785970 10377343164 12971678955 15566014746 17295571940 25943357910 31132029492 38915036865 51886715820 77830073730 155660147460