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193889044060 = 225233239317387
BaseRepresentation
bin1011010010010010110…
…0000000011001011100
3200112110110102221212221
42310210230000121130
511134041043402220
6225023231035124
720002515452635
oct2644454003134
9615413387787
10193889044060
1175256346598
12316b106baa4
131538c274c0a
14955466c88c
15509bc209aa
hex2d24b0065c

193889044060 has 48 divisors (see below), whose sum is σ = 409108898016. Its totient is φ = 77186051072.

The previous prime is 193889044049. The next prime is 193889044067. The reversal of 193889044060 is 60440988391.

It is a happy number.

It is a super-2 number, since 2×1938890440602 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 193889043989 and 193889044007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193889044067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11142687 + ... + 11160073.

It is an arithmetic number, because the mean of its divisors is an integer number (8523102042).

Almost surely, 2193889044060 is an apocalyptic number.

193889044060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193889044060 is an abundant number, since it is smaller than the sum of its proper divisors (215219853956).

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

193889044060 is a wasteful number, since it uses less digits than its factorization.

193889044060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20022 (or 20020 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 193889044060 in words is "one hundred ninety-three billion, eight hundred eighty-nine million, forty-four thousand, sixty".

Divisors: 1 2 4 5 10 20 233 466 932 1165 2330 2393 4660 4786 9572 11965 17387 23930 34774 47860 69548 86935 173870 347740 557569 1115138 2230276 2787845 4051171 5575690 8102342 11151380 16204684 20255855 40511710 41607091 81023420 83214182 166428364 208035455 416070910 832141820 9694452203 19388904406 38777808812 48472261015 96944522030 193889044060