Search a number
-
+
100780188510080 = 275157469044547
BaseRepresentation
bin10110111010100010110111…
…010101100010011110000000
3111012211111021121122022020102
4112322202313111202132000
5101202140311224310310
6554201440210101532
730141062010101402
oct2672426725423600
9435744247568212
10100780188510080
112a125702097302
12b377a6127a8a8
1344306b97ab201
141ac5b03d22b72
15b9b7cd6808a5
hex5ba8b7562780

100780188510080 has 32 divisors (see below), whose sum is σ = 240927638158440. Its totient is φ = 40312075403776.

The previous prime is 100780188510073. The next prime is 100780188510083. The reversal of 100780188510080 is 80015881087001.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-5 number, since 5×1007801885100805 (a number of 71 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100780188510083) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 78734521634 + ... + 78734522913.

Almost surely, 2100780188510080 is an apocalyptic number.

100780188510080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100780188510080 is an abundant number, since it is smaller than the sum of its proper divisors (140147449648360).

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

100780188510080 is an equidigital number, since it uses as much as digits as its factorization.

100780188510080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157469044566 (or 157469044554 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 47.

The spelling of 100780188510080 in words is "one hundred trillion, seven hundred eighty billion, one hundred eighty-eight million, five hundred ten thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 157469044547 314938089094 629876178188 787345222735 1259752356376 1574690445470 2519504712752 3149380890940 5039009425504 6298761781880 10078018851008 12597523563760 20156037702016 25195047127520 50390094255040 100780188510080