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23400031244 = 228821663191
BaseRepresentation
bin10101110010110000…
…000010010000001100
32020101210021202021212
4111302300002100030
5340410401444434
614425543513552
71455605661302
oct256260022014
966353252255
1023400031244
119a187868a7
1246507588b8
13228bc11a45
1411bdaa0272
1591e4cc8ce
hex572c0240c

23400031244 has 12 divisors (see below), whose sum is σ = 40954758768. Its totient is φ = 11698671600.

The previous prime is 23400031189. The next prime is 23400031271. The reversal of 23400031244 is 44213000432.

It is a super-2 number, since 2×234000312442 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296312 + ... + 366879.

It is an arithmetic number, because the mean of its divisors is an integer number (3412896564).

Almost surely, 223400031244 is an apocalyptic number.

It is an amenable number.

23400031244 is a deficient number, since it is larger than the sum of its proper divisors (17554727524).

23400031244 is a wasteful number, since it uses less digits than its factorization.

23400031244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672016 (or 672014 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 23400031244 its reverse (44213000432), we get a palindrome (67613031676).

The spelling of 23400031244 in words is "twenty-three billion, four hundred million, thirty-one thousand, two hundred forty-four".

Divisors: 1 2 4 8821 17642 35284 663191 1326382 2652764 5850007811 11700015622 23400031244