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234989746831 = 7211497417127
BaseRepresentation
bin1101101011011001111…
…0101111101010001111
3211110112211122222201201
43122312132233222033
512322224333344311
6255541445450331
722656156614500
oct3326636575217
9743484588651
10234989746831
1190727649944
12396617109a7
131920c392c98
14b5330bcba7
1561a517b9c1
hex36b67afa8f

234989746831 has 12 divisors (see below), whose sum is σ = 273379851408. Its totient is φ = 201401780832.

The previous prime is 234989746787. The next prime is 234989746837. The reversal of 234989746831 is 138647989432.

It is not a de Polignac number, because 234989746831 - 223 = 234981358223 is a prime.

It is a super-2 number, since 2×2349897468312 (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 (234989746837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354790 + ... + 771916.

It is an arithmetic number, because the mean of its divisors is an integer number (22781654284).

Almost surely, 2234989746831 is an apocalyptic number.

234989746831 is a deficient number, since it is larger than the sum of its proper divisors (38390104577).

234989746831 is a wasteful number, since it uses less digits than its factorization.

234989746831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428638 (or 428631 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 64.

The spelling of 234989746831 in words is "two hundred thirty-four billion, nine hundred eighty-nine million, seven hundred forty-six thousand, eight hundred thirty-one".

Divisors: 1 7 49 11497 80479 417127 563353 2919889 20439223 4795709119 33569963833 234989746831