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234247356431 = 1136997575593
BaseRepresentation
bin1101101000101000111…
…0110000000000001111
3211101122002201122112222
43122022032300000033
512314214310401211
6255340045445555
722631603451134
oct3321216600017
9741562648488
10234247356431
1190386586a60
1239494b708bb
131912163101a
14b4a266c58b
15615edd41db
hex368a3b000f

234247356431 has 8 divisors (see below), whose sum is σ = 255549921744. Its totient is φ = 212946016320.

The previous prime is 234247356401. The next prime is 234247356451. The reversal of 234247356431 is 134653742432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-234247356431 is a prime.

It is a super-2 number, since 2×2342473564312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234247356401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119171 + ... + 694763.

It is an arithmetic number, because the mean of its divisors is an integer number (31943740218).

Almost surely, 2234247356431 is an apocalyptic number.

234247356431 is a deficient number, since it is larger than the sum of its proper divisors (21302565313).

234247356431 is a wasteful number, since it uses less digits than its factorization.

234247356431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612601.

The product of its digits is 1451520, while the sum is 44.

The spelling of 234247356431 in words is "two hundred thirty-four billion, two hundred forty-seven million, three hundred fifty-six thousand, four hundred thirty-one".

Divisors: 1 11 36997 406967 575593 6331523 21295214221 234247356431