Search a number
-
+
213131000196 = 22343791735651
BaseRepresentation
bin1100011001111110011…
…0001111100110000100
3202101010110120121110000
43012133212033212010
511442443014001241
6241524441001300
721253404416262
oct3063746174604
9671113517400
10213131000196
118242a990a84
1235381183230
131713789998a
14a45bdcb432
155826150eb6
hex319f98f984

213131000196 has 60 divisors (see below), whose sum is σ = 558636952720. Its totient is φ = 70856175600.

The previous prime is 213131000191. The next prime is 213131000207. The reversal of 213131000196 is 691000131312.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (213131000191) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 745030 + ... + 990621.

Almost surely, 2213131000196 is an apocalyptic number.

It is an amenable number.

213131000196 is an abundant number, since it is smaller than the sum of its proper divisors (345505952524).

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

213131000196 is a wasteful number, since it uses less digits than its factorization.

213131000196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736046 (or 1736035 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 213131000196 in words is "two hundred thirteen billion, one hundred thirty-one million, one hundred ninety-six", and thus it is an aban number.

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 379 758 1137 1516 2274 3411 4548 6822 10233 13644 20466 30699 40932 61398 122796 1735651 3471302 5206953 6942604 10413906 15620859 20827812 31241718 46862577 62483436 93725154 140587731 187450308 281175462 562350924 657811729 1315623458 1973435187 2631246916 3946870374 5920305561 7893740748 11840611122 17760916683 23681222244 35521833366 53282750049 71043666732 106565500098 213131000196