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381001391372 = 22719976813817
BaseRepresentation
bin1011000101101010111…
…00111101110100001100
31100102102122100001110102
411202311130331310030
522220242324010442
6451010222030232
736345366251330
oct5426534756414
91312378301412
10381001391372
11137644397558
1261a10718378
1329c0b569ca4
1414624cab7c0
159d9da36232
hex58b573dd0c

381001391372 has 24 divisors (see below), whose sum is σ = 762384468384. Its totient is φ = 163204520832.

The previous prime is 381001391363. The next prime is 381001391429. The reversal of 381001391372 is 273193100183.

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, 3350993 + ... + 3462824.

It is an arithmetic number, because the mean of its divisors is an integer number (31766019516).

Almost surely, 2381001391372 is an apocalyptic number.

It is an amenable number.

381001391372 is an abundant number, since it is smaller than the sum of its proper divisors (381383077012).

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

381001391372 is a wasteful number, since it uses less digits than its factorization.

381001391372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815825 (or 6815823 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 381001391372 in words is "three hundred eighty-one billion, one million, three hundred ninety-one thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 1997 3994 7988 13979 27958 55916 6813817 13627634 27255268 47696719 95393438 190786876 13607192549 27214385098 54428770196 95250347843 190500695686 381001391372