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23738431047 = 347672512801
BaseRepresentation
bin10110000110111010…
…111011011001000111
32021021101001020112220
4112012322323121013
5342104014243142
614523312543423
71500155222532
oct260672733107
967241036486
1023738431047
11a0817a8661
124725b51b73
132314065c06
1412129cba19
1593e0742ec
hex586ebb647

23738431047 has 16 divisors (see below), whose sum is σ = 32807142912. Its totient is φ = 15257721600.

The previous prime is 23738430983. The next prime is 23738431069. The reversal of 23738431047 is 74013483732.

It is a happy number.

It is not a de Polignac number, because 23738431047 - 26 = 23738430983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23738431097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1246954 + ... + 1265847.

It is an arithmetic number, because the mean of its divisors is an integer number (2050446432).

Almost surely, 223738431047 is an apocalyptic number.

23738431047 is a deficient number, since it is larger than the sum of its proper divisors (9068711865).

23738431047 is a wasteful number, since it uses less digits than its factorization.

23738431047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512918.

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 23738431047 in words is "twenty-three billion, seven hundred thirty-eight million, four hundred thirty-one thousand, forty-seven".

Divisors: 1 3 47 67 141 201 3149 9447 2512801 7538403 118101647 168357667 354304941 505073001 7912810349 23738431047