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38811227717420 = 2255056573837703
BaseRepresentation
bin10001101001100011100010…
…11100001111111100101100
312002102022120012011001010222
420310301301130033330230
520041340343243424140
6214313344252350512
711114006255261504
oct1064616134177454
9162368505131128
1038811227717420
1111403827270294
124429a61775438
131886b63147742
1498268b1baa04
15474880aa25b5
hex234c7170ff2c

38811227717420 has 24 divisors (see below), whose sum is σ = 81503760627744. Its totient is φ = 15524456340096.

The previous prime is 38811227717389. The next prime is 38811227717467. The reversal of 38811227717420 is 2471772211883.

It is a super-2 number, since 2×388112277174202 (a number of 28 digits) contains 22 as substring.

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, 8194289 + ... + 12031991.

It is an arithmetic number, because the mean of its divisors is an integer number (3395990026156).

Almost surely, 238811227717420 is an apocalyptic number.

It is an amenable number.

38811227717420 is an abundant number, since it is smaller than the sum of its proper divisors (42692532910324).

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

38811227717420 is a wasteful number, since it uses less digits than its factorization.

38811227717420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343369 (or 4343367 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 53.

The spelling of 38811227717420 in words is "thirty-eight trillion, eight hundred eleven billion, two hundred twenty-seven million, seven hundred seventeen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 505657 1011314 2022628 2528285 3837703 5056570 7675406 10113140 15350812 19188515 38377030 76754060 1940561385871 3881122771742 7762245543484 9702806929355 19405613858710 38811227717420