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23442453009808 = 247285173415509
BaseRepresentation
bin1010101010010000111110…
…00101011001010110010000
310002000002001212010111110021
411111020133011121112100
511033040120432303213
6121505151513113224
74636442560555630
oct525103705312620
9102002055114407
1023442453009808
117518985642788
12276737a0b8814
1310107c9790501
145b08995c26c0
152a9bd3002d8d
hex15521f159590

23442453009808 has 40 divisors (see below), whose sum is σ = 51926496560960. Its totient is φ = 10043241494400.

The previous prime is 23442453009769. The next prime is 23442453009827. The reversal of 23442453009808 is 80890035424432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36388443 + ... + 37027066.

It is an arithmetic number, because the mean of its divisors is an integer number (1298162414024).

Almost surely, 223442453009808 is an apocalyptic number.

23442453009808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23442453009808 is an abundant number, since it is smaller than the sum of its proper divisors (28484043551152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23442453009808 is a wasteful number, since it uses less digits than its factorization.

23442453009808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73418375 (or 73418369 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 23442453009808 in words is "twenty-three trillion, four hundred forty-two billion, four hundred fifty-three million, nine thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 2851 5702 11404 19957 22808 39914 45616 79828 159656 319312 73415509 146831018 293662036 513908563 587324072 1027817126 1174648144 2055634252 4111268504 8222537008 209307616159 418615232318 837230464636 1465153313113 1674460929272 2930306626226 3348921858544 5860613252452 11721226504904 23442453009808