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23473474893 = 33111919972083
BaseRepresentation
bin10101110111001000…
…001100110101001101
32020120220111002001000
4111313020030311031
5341033202144033
614441130010513
71460460146601
oct256710146515
966526432030
1023473474893
119a5618a130
124671276a39
1322a11b7b1b
1411c973b501
15925b88a13
hex57720cd4d

23473474893 has 64 divisors (see below), whose sum is σ = 39972787200. Its totient is φ = 13464377280.

The previous prime is 23473474889. The next prime is 23473474907. The reversal of 23473474893 is 39847437432.

23473474893 is a `hidden beast` number, since 2 + 3 + 473 + 47 + 48 + 93 = 666.

It is not a de Polignac number, because 23473474893 - 22 = 23473474889 is a prime.

It is a super-2 number, since 2×234734748932 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23473474793) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11268030 + ... + 11270112.

It is an arithmetic number, because the mean of its divisors is an integer number (624574800).

Almost surely, 223473474893 is an apocalyptic number.

It is an amenable number.

23473474893 is a deficient number, since it is larger than the sum of its proper divisors (16499312307).

23473474893 is a wasteful number, since it uses less digits than its factorization.

23473474893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119 (or 4113 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 54.

The spelling of 23473474893 in words is "twenty-three billion, four hundred seventy-three million, four hundred seventy-four thousand, eight hundred ninety-three".

Divisors: 1 3 9 11 19 27 33 57 99 171 209 297 513 627 1881 1997 2083 5643 5991 6249 17973 18747 21967 22913 37943 39577 53919 56241 65901 68739 113829 118731 197703 206217 341487 356193 417373 435347 593109 618651 1024461 1068579 1252119 1306041 3756357 3918123 4159751 11269071 11754369 12479253 37437759 45757261 79035269 112313277 137271783 237105807 411815349 711317421 869387959 1235446047 2133952263 2608163877 7824491631 23473474893