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23728714451 = 1323193411193
BaseRepresentation
bin10110000110010101…
…110111001011010011
32021020200202120212222
4112012111313023103
5342044022330301
614522324411255
71500006513341
oct260625671323
967220676788
1023728714451
11a077271412
124722846b2b
132312043350
1412115bc991
1593d2a531b
hex5865772d3

23728714451 has 16 divisors (see below), whose sum is σ = 26803269696. Its totient is φ = 20842500096.

The previous prime is 23728714421. The next prime is 23728714463. The reversal of 23728714451 is 15441782732.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23728714451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23728714411) 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 15 ways as a sum of consecutive naturals, for example, 147890 + ... + 263303.

It is an arithmetic number, because the mean of its divisors is an integer number (1675204356).

Almost surely, 223728714451 is an apocalyptic number.

23728714451 is a deficient number, since it is larger than the sum of its proper divisors (3074555245).

23728714451 is a wasteful number, since it uses less digits than its factorization.

23728714451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411422.

The product of its digits is 376320, while the sum is 44.

The spelling of 23728714451 in words is "twenty-three billion, seven hundred twenty-eight million, seven hundred fourteen thousand, four hundred fifty-one".

Divisors: 1 13 23 193 299 2509 4439 57707 411193 5345509 9457439 79360249 122946707 1031683237 1825285727 23728714451