Search a number
-
+
11902198020 = 2235626931643
BaseRepresentation
bin10110001010110110…
…10010000100000100
31010201111002022020220
423011123102010010
5143333430314040
65245013224340
7600643004526
oct130533220404
933644068226
1011902198020
115058531599
1223820320b0
131178b1062b
1480ca3da16
15499da22d0
hex2c56d2104

11902198020 has 48 divisors (see below), whose sum is σ = 33332523840. Its totient is φ = 3173312896.

The previous prime is 11902198003. The next prime is 11902198039. The reversal of 11902198020 is 2089120911.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360319 + ... + 391961.

It is an arithmetic number, because the mean of its divisors is an integer number (694427580).

Almost surely, 211902198020 is an apocalyptic number.

11902198020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11902198020 is an abundant number, since it is smaller than the sum of its proper divisors (21430325820).

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

11902198020 is a wasteful number, since it uses less digits than its factorization.

11902198020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37924 (or 37922 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 11902198020 in words is "eleven billion, nine hundred two million, one hundred ninety-eight thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 6269 12538 18807 25076 31345 31643 37614 62690 63286 75228 94035 94929 125380 126572 158215 188070 189858 316430 376140 379716 474645 632860 949290 1898580 198369967 396739934 595109901 793479868 991849835 1190219802 1983699670 2380439604 2975549505 3967399340 5951099010 11902198020