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253730336668 = 22116815430407
BaseRepresentation
bin1110110001001110000…
…0011010111110011100
3220020220220101121000121
43230103200122332130
513124114431233133
6312321225404324
724221450163604
oct3542340327634
9806826347017
10253730336668
1198674184416
12412119396a4
131ac07b74ab3
14c3d000bc04
15690057402d
hex3b1381af9c

253730336668 has 12 divisors (see below), whose sum is σ = 444066183792. Its totient is φ = 126854284160.

The previous prime is 253730336663. The next prime is 253730336683. The reversal of 253730336668 is 866633037352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253730336663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668480 + ... + 2761927.

It is an arithmetic number, because the mean of its divisors is an integer number (37005515316).

Almost surely, 2253730336668 is an apocalyptic number.

It is an amenable number.

253730336668 is a deficient number, since it is larger than the sum of its proper divisors (190335847124).

253730336668 is a wasteful number, since it uses less digits than its factorization.

253730336668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442092 (or 5442090 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 52.

The spelling of 253730336668 in words is "two hundred fifty-three billion, seven hundred thirty million, three hundred thirty-six thousand, six hundred sixty-eight".

Divisors: 1 2 4 11681 23362 46724 5430407 10860814 21721628 63432584167 126865168334 253730336668