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23131430004304 = 2415716755139951
BaseRepresentation
bin1010100001001101101001…
…01010110010011001010000
310000220100021010110202212001
411100212310222302121100
511012441132040114204
6121110233210443344
74605122253623056
oct520466452623120
9100810233422761
1023131430004304
117408a91225286
122717039133554
13cba391040b4b
1459d7d25021d6
152a1a7cc5d4a4
hex1509b4ab2650

23131430004304 has 40 divisors (see below), whose sum is σ = 45372681462528. Its totient is φ = 11423233161600.

The previous prime is 23131430004239. The next prime is 23131430004307. The reversal of 23131430004304 is 40340003413132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131430004307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27150472 + ... + 27989479.

Almost surely, 223131430004304 is an apocalyptic number.

It is an amenable number.

23131430004304 is a deficient number, since it is larger than the sum of its proper divisors (22241251458224).

23131430004304 is a wasteful number, since it uses less digits than its factorization.

23131430004304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55140283 (or 55140277 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 23131430004304 its reverse (40340003413132), we get a palindrome (63471433417436).

The spelling of 23131430004304 in words is "twenty-three trillion, one hundred thirty-one billion, four hundred thirty million, four thousand, three hundred four".

Divisors: 1 2 4 8 16 157 167 314 334 628 668 1256 1336 2512 2672 26219 52438 104876 209752 419504 55139951 110279902 220559804 441119608 882239216 8656972307 9208371817 17313944614 18416743634 34627889228 36833487268 69255778456 73666974536 138511556912 147333949072 1445714375269 2891428750538 5782857501076 11565715002152 23131430004304