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396785714650 = 25213610439561
BaseRepresentation
bin1011100011000100100…
…01011000010111011010
31101221011200022202102021
411301202101120113122
523000104120332100
6502140354525054
740444501632463
oct5614221302732
91357150282367
10396785714650
11143304212226
1264a9689678a
132b55573a550
14152c1339d6a
15a4c4627a1a
hex5c624585da

396785714650 has 24 divisors (see below), whose sum is σ = 794792309724. Its totient is φ = 146505494400.

The previous prime is 396785714641. The next prime is 396785714659. The reversal of 396785714650 is 56417587693.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (396785714641) and next prime (396785714659).

It can be written as a sum of positive squares in 6 ways, for example, as 144250318809 + 252535395841 = 379803^2 + 502529^2 .

It is a super-3 number, since 3×3967857146503 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (396785714659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305219131 + ... + 305220430.

Almost surely, 2396785714650 is an apocalyptic number.

396785714650 is an abundant number, since it is smaller than the sum of its proper divisors (398006595074).

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

396785714650 is a wasteful number, since it uses less digits than its factorization.

396785714650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610439586 (or 610439581 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 61.

The spelling of 396785714650 in words is "three hundred ninety-six billion, seven hundred eighty-five million, seven hundred fourteen thousand, six hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 610439561 1220879122 3052197805 6104395610 7935714293 15260989025 15871428586 30521978050 39678571465 79357142930 198392857325 396785714650