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5057779890 = 2353140913297
BaseRepresentation
bin1001011010111011…
…11001100010110010
3111001111002211200010
410231131321202302
540324242424030
62153513435350
7236223263652
oct45535714262
914044084603
105057779890
112165a91989
12b91a0bb56
13627b0c187
1435da22362
151e906b6b0
hex12d7798b2

5057779890 has 64 divisors (see below), whose sum is σ = 12561822720. Its totient is φ = 1301944320.

The previous prime is 5057779889. The next prime is 5057779907. The reversal of 5057779890 is 989777505.

It is a super-2 number, since 2×50577798902 = 51162274831376824200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5057779890.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373722 + ... + 387018.

It is an arithmetic number, because the mean of its divisors is an integer number (196278480).

Almost surely, 25057779890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5057779890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6280911360).

5057779890 is an abundant number, since it is smaller than the sum of its proper divisors (7504042830).

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

5057779890 is a wasteful number, since it uses less digits than its factorization.

5057779890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13747.

The product of its (nonzero) digits is 5556600, while the sum is 57.

The square root of 5057779890 is about 71118.0700666153. The cubic root of 5057779890 is about 1716.5375507670.

The spelling of 5057779890 in words is "five billion, fifty-seven million, seven hundred seventy-nine thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 409 465 818 930 1227 2045 2454 4090 6135 12270 12679 13297 25358 26594 38037 39891 63395 66485 76074 79782 126790 132970 190185 199455 380370 398910 412207 824414 1236621 2061035 2473242 4122070 5438473 6183105 10876946 12366210 16315419 27192365 32630838 54384730 81577095 163154190 168592663 337185326 505777989 842963315 1011555978 1685926630 2528889945 5057779890