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23450202512140 = 2253617405779903
BaseRepresentation
bin1010101010011111011001…
…11111011001101100001100
310002000211001221012000011011
411111033230333121230030
511033202003320342030
6121512512503535004
74640135610342115
oct525175477315414
9102024057160134
1023450202512140
1175211a1a77568
12276898145a464
131011463148551
145b0dd28c120c
152a9ed851bb2a
hex1553ecfd9b0c

23450202512140 has 48 divisors (see below), whose sum is σ = 49271798644992. Its totient is φ = 9375058907136.

The previous prime is 23450202512137. The next prime is 23450202512183. The reversal of 23450202512140 is 4121520205432.

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, 293443429 + ... + 293523331.

It is an arithmetic number, because the mean of its divisors is an integer number (1026495805104).

Almost surely, 223450202512140 is an apocalyptic number.

23450202512140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23450202512140 is an abundant number, since it is smaller than the sum of its proper divisors (25821596132852).

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

23450202512140 is a wasteful number, since it uses less digits than its factorization.

23450202512140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87586 (or 87584 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 23450202512140 its reverse (4121520205432), we get a palindrome (27571722717572).

The spelling of 23450202512140 in words is "twenty-three trillion, four hundred fifty billion, two hundred two million, five hundred twelve thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 3617 4057 7234 8114 14468 16228 18085 20285 36170 40570 72340 79903 81140 159806 319612 399515 799030 1598060 14674169 29348338 58696676 73370845 146741690 289009151 293483380 324166471 578018302 648332942 1156036604 1296665884 1445045755 1620832355 2890091510 3241664710 5780183020 6483329420 1172510125607 2345020251214 4690040502428 5862550628035 11725101256070 23450202512140