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342770253220 = 22554131679321
BaseRepresentation
bin1001111110011101011…
…00101111110110100100
31012202202020201000020201
410333032230233312210
521103443141100340
6421244432040244
733523111036213
oct4771654576644
91182666630221
10342770253220
1112240596560a
1256521093084
1326427ac4755
14128395cd07a
158db24a679a
hex4fceb2fda4

342770253220 has 24 divisors (see below), whose sum is σ = 721148086008. Its totient is φ = 136854662400.

The previous prime is 342770253211. The next prime is 342770253251. The reversal of 342770253220 is 22352077243.

It can be written as a sum of positive squares in 4 ways, for example, as 32215942144 + 310554311076 = 179488^2 + 557274^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 342770253220.

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, 15828841 + ... + 15850480.

It is an arithmetic number, because the mean of its divisors is an integer number (30047836917).

Almost surely, 2342770253220 is an apocalyptic number.

It is an amenable number.

342770253220 is an abundant number, since it is smaller than the sum of its proper divisors (378377832788).

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

342770253220 is a wasteful number, since it uses less digits than its factorization.

342770253220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31679871 (or 31679869 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 37.

The spelling of 342770253220 in words is "three hundred forty-two billion, seven hundred seventy million, two hundred fifty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 541 1082 2164 2705 5410 10820 31679321 63358642 126717284 158396605 316793210 633586420 17138512661 34277025322 68554050644 85692563305 171385126610 342770253220