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23478013446890 = 2537328031934399
BaseRepresentation
bin1010101011010011001101…
…01001101100101011101010
310002010110212010100212112112
411111221212221230223222
511034130432420300030
6121533352300442322
74642142026363412
oct525514651545352
9102113763325475
1023478013446890
117531a7357a462
1227722432493a2
131013c75b3a162
145b24b02d7642
152aaab4d88a95
hex155a66a6caea

23478013446890 has 32 divisors (see below), whose sum is σ = 43403943398400. Its totient is φ = 9137105740224.

The previous prime is 23478013446887. The next prime is 23478013446961. The reversal of 23478013446890 is 9864431087432.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11169911 + ... + 13104309.

It is an arithmetic number, because the mean of its divisors is an integer number (1356373231200).

Almost surely, 223478013446890 is an apocalyptic number.

23478013446890 is a deficient number, since it is larger than the sum of its proper divisors (19925929951510).

23478013446890 is a wasteful number, since it uses less digits than its factorization.

23478013446890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967246.

The product of its (nonzero) digits is 27869184, while the sum is 59.

The spelling of 23478013446890 in words is "twenty-three trillion, four hundred seventy-eight billion, thirteen million, four hundred forty-six thousand, eight hundred ninety".

Divisors: 1 2 5 10 37 74 185 370 32803 65606 164015 328030 1213711 1934399 2427422 3868798 6068555 9671995 12137110 19343990 71572763 143145526 357863815 715727630 63454090397 126908180794 317270451985 634540903970 2347801344689 4695602689378 11739006723445 23478013446890