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153443874940 = 22534807220421
BaseRepresentation
bin1000111011100111110…
…1111011100001111100
3112200001202201111011021
42032321331323201330
510003223112444230
6154254030433524
714041324262656
oct2167175734174
9480052644137
10153443874940
115a091081394
12258a40628a4
1311614bc7795
1475d8cdd6d6
153ed1101c7a
hex23b9f7b87c

153443874940 has 24 divisors (see below), whose sum is σ = 322242856992. Its totient is φ = 61375508160.

The previous prime is 153443874931. The next prime is 153443874953. The reversal of 153443874940 is 49478344351.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585930 + ... + 806350.

It is an arithmetic number, because the mean of its divisors is an integer number (13426785708).

Almost surely, 2153443874940 is an apocalyptic number.

153443874940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153443874940 is an abundant number, since it is smaller than the sum of its proper divisors (168798982052).

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

153443874940 is a wasteful number, since it uses less digits than its factorization.

153443874940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255237 (or 255235 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 153443874940 in words is "one hundred fifty-three billion, four hundred forty-three million, eight hundred seventy-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 34807 69614 139228 174035 220421 348070 440842 696140 881684 1102105 2204210 4408420 7672193747 15344387494 30688774988 38360968735 76721937470 153443874940