Search a number
-
+
188097808679530 = 25431375070762969
BaseRepresentation
bin101010110001001011101111…
…000100011100001001101010
3220122222222022200211200110021
4222301023233010130021222
5144123243303010221110
61504014535042511054
754422422022331211
oct5261135704341152
9818888280750407
10188097808679530
1154a2a9183330a2
121911a74766548a
1380c57163c8bc9
143463da8048078
1516b2cc7d032da
hexab12ef11c26a

188097808679530 has 64 divisors (see below), whose sum is σ = 348991173336960. Its totient is φ = 72950360361984.

The previous prime is 188097808679489. The next prime is 188097808679587. The reversal of 188097808679530 is 35976808790881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2987117886 + ... + 2987180854.

It is an arithmetic number, because the mean of its divisors is an integer number (5452987083390).

Almost surely, 2188097808679530 is an apocalyptic number.

188097808679530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188097808679530 is a deficient number, since it is larger than the sum of its proper divisors (160893364657430).

188097808679530 is a wasteful number, since it uses less digits than its factorization.

188097808679530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113863.

The product of its (nonzero) digits is 1463132160, while the sum is 79.

The spelling of 188097808679530 in words is "one hundred eighty-eight trillion, ninety-seven billion, eight hundred eight million, six hundred seventy-nine thousand, five hundred thirty".

Divisors: 1 2 5 10 43 86 137 215 274 430 685 1370 5891 11782 29455 50707 58910 62969 101414 125938 253535 314845 507070 629690 2180401 2707667 4360802 5415334 6946859 8626753 10902005 13538335 13893718 17253506 21804010 27076670 34734295 43133765 69468590 86267530 298714937 370950379 597429874 741900758 1493574685 1854751895 2987149370 3192969083 3709503790 6385938166 15964845415 31929690830 137297670569 274595341138 437436764371 686488352845 874873528742 1372976705690 2187183821855 4374367643710 18809780867953 37619561735906 94048904339765 188097808679530