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368287038431 = 13212111335617
BaseRepresentation
bin1010101101111111001…
…11100011101111011111
31022012121120001000002122
411112333213203233133
522013222440212211
6441104433213155
735415332114054
oct5267747435737
91265546030078
10368287038431
1113220a482a54
125b4627011bb
132896340c120
1413b7a45b02b
1598a770a6db
hex55bf9e3bdf

368287038431 has 8 divisors (see below), whose sum is σ = 396635806224. Its totient is φ = 339940984320.

The previous prime is 368287038407. The next prime is 368287038433. The reversal of 368287038431 is 134830782863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 368287038431 - 230 = 367213296607 is a prime.

It is a super-2 number, since 2×3682870384312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368287038433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392066 + ... + 943551.

It is an arithmetic number, because the mean of its divisors is an integer number (49579475778).

Almost surely, 2368287038431 is an apocalyptic number.

368287038431 is a deficient number, since it is larger than the sum of its proper divisors (28348767793).

368287038431 is a wasteful number, since it uses less digits than its factorization.

368287038431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356841.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 368287038431 in words is "three hundred sixty-eight billion, two hundred eighty-seven million, thirty-eight thousand, four hundred thirty-one".

Divisors: 1 13 21211 275743 1335617 17363021 28329772187 368287038431