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368740856881 = 31307175922027
BaseRepresentation
bin1010101110110101010…
…10101111010000110001
31022020210011222100222101
411113122222233100301
522020140124410011
6441221444140401
735432512365655
oct5273252572061
91266704870871
10368740856881
11132422667521
125b56a697701
1328a06444b57
1413bc0830a65
1598d24a02c1
hex55daaaf431

368740856881 has 16 divisors (see below), whose sum is σ = 382110023680. Its totient is φ = 355465279440.

The previous prime is 368740856879. The next prime is 368740856921. The reversal of 368740856881 is 188658047863.

It is a cyclic number.

It is not a de Polignac number, because 368740856881 - 21 = 368740856879 is a prime.

It is a super-2 number, since 2×3687408568812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (368740836881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16729390 + ... + 16751416.

It is an arithmetic number, because the mean of its divisors is an integer number (23881876480).

Almost surely, 2368740856881 is an apocalyptic number.

368740856881 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

368740856881 is a deficient number, since it is larger than the sum of its proper divisors (13369166799).

368740856881 is a wasteful number, since it uses less digits than its factorization.

368740856881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24124.

The product of its (nonzero) digits is 61931520, while the sum is 64.

The spelling of 368740856881 in words is "three hundred sixty-eight billion, seven hundred forty million, eight hundred fifty-six thousand, eight hundred eighty-one".

Divisors: 1 31 307 1759 9517 22027 54529 540013 682837 6762289 16740403 38745493 209630959 1201110283 11894866351 368740856881