Search a number
-
+
157530305472 = 2631223670867
BaseRepresentation
bin1001001010110110001…
…0011011001111000000
3120001121120001200000020
42102231202123033000
510040110224233342
6200211325053440
714244514334421
oct2225542331700
9501546050006
10157530305472
1160898829101
12266446b7280
1311b166bb507
1478a5911648
15416ec4b0ec
hex24ad89b3c0

157530305472 has 56 divisors (see below), whose sum is σ = 417140355456. Its totient is φ = 52467088128.

The previous prime is 157530305447. The next prime is 157530305473. The reversal of 157530305472 is 274503035751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157530305473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100618 + ... + 570249.

Almost surely, 2157530305472 is an apocalyptic number.

157530305472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157530305472 is an abundant number, since it is smaller than the sum of its proper divisors (259610049984).

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

157530305472 is a wasteful number, since it uses less digits than its factorization.

157530305472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672105 (or 672095 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 42.

The spelling of 157530305472 in words is "one hundred fifty-seven billion, five hundred thirty million, three hundred five thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 1223 2446 3669 4892 7338 9784 14676 19568 29352 39136 58704 78272 117408 234816 670867 1341734 2012601 2683468 4025202 5366936 8050404 10733872 16100808 21467744 32201616 42935488 64403232 128806464 820470341 1640940682 2461411023 3281881364 4922822046 6563762728 9845644092 13127525456 19691288184 26255050912 39382576368 52510101824 78765152736 157530305472