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2053401870 = 2351331169843
BaseRepresentation
bin111101001100100…
…0110110100001110
312022002211121211010
41322121012310032
513201132324440
6535431310050
7101612425242
oct17231066416
95262747733
102053401870
11964101243
1249381b326
13269553cc0
141569da422
15c0410580
hex7a646d0e

2053401870 has 64 divisors (see below), whose sum is σ = 5478488064. Its totient is φ = 489144960.

The previous prime is 2053401829. The next prime is 2053401887. The reversal of 2053401870 is 781043502.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 72832 + ... + 97011.

It is an arithmetic number, because the mean of its divisors is an integer number (85601376).

Almost surely, 22053401870 is an apocalyptic number.

2053401870 is an abundant number, since it is smaller than the sum of its proper divisors (3425086194).

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

2053401870 is a wasteful number, since it uses less digits than its factorization.

2053401870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169897.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2053401870 is about 45314.4774878846. The cubic root of 2053401870 is about 1271.0363892276.

The spelling of 2053401870 in words is "two billion, fifty-three million, four hundred one thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 31 39 62 65 78 93 130 155 186 195 310 390 403 465 806 930 1209 2015 2418 4030 6045 12090 169843 339686 509529 849215 1019058 1698430 2207959 2547645 4415918 5095290 5265133 6623877 10530266 11039795 13247754 15795399 22079590 26325665 31590798 33119385 52651330 66238770 68446729 78976995 136893458 157953990 205340187 342233645 410680374 684467290 1026700935 2053401870