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87042264995420 = 2257911682470323
BaseRepresentation
bin10011110010101000011011…
…010010010001011001011100
3102102012011022002212020002222
4103302220123102101121130
542402100024314323140
6505042355311404512
724222411316661540
oct2362503322213134
9372164262766088
1087042264995420
1125809465448069
12991945a523738
13397508687a377
14176cc22113a20
15a0e2808c95b5
hex4f2a1b49165c

87042264995420 has 48 divisors (see below), whose sum is σ = 209130746323968. Its totient is φ = 29810303664960.

The previous prime is 87042264995393. The next prime is 87042264995447. The reversal of 87042264995420 is 2459946224078.

It is an interprime number because it is at equal distance from previous prime (87042264995393) and next prime (87042264995447).

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341107622 + ... + 341362701.

It is an arithmetic number, because the mean of its divisors is an integer number (4356890548416).

Almost surely, 287042264995420 is an apocalyptic number.

It is an amenable number.

87042264995420 is an abundant number, since it is smaller than the sum of its proper divisors (122088481328548).

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

87042264995420 is a wasteful number, since it uses less digits than its factorization.

87042264995420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682471250 (or 682471248 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 62.

The spelling of 87042264995420 in words is "eighty-seven trillion, forty-two billion, two hundred sixty-four million, nine hundred ninety-five thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 911 1822 3644 4555 6377 9110 12754 18220 25508 31885 63770 127540 682470323 1364940646 2729881292 3412351615 4777292261 6824703230 9554584522 13649406460 19109169044 23886461305 47772922610 95545845220 621730464253 1243460928506 2486921857012 3108652321265 4352113249771 6217304642530 8704226499542 12434609285060 17408452999084 21760566248855 43521132497710 87042264995420