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40747069351 = 258671575253
BaseRepresentation
bin100101111100101101…
…101110111110100111
310220011201210120222201
4211330231232332213
51131422222204401
630415143035331
72641515242362
oct457455567647
9126151716881
1040747069351
111630a72732a
127a9213bb47
133ac4a92131
141d878b90d9
1510d73a5b01
hex97cb6efa7

40747069351 has 4 divisors (see below), whose sum is σ = 40748670472. Its totient is φ = 40745468232.

The previous prime is 40747069339. The next prime is 40747069357. The reversal of 40747069351 is 15396074704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40747069351 - 29 = 40747068839 is a prime.

It is a super-2 number, since 2×407470693512 (a number of 22 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 (40747069357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761760 + ... + 813493.

It is an arithmetic number, because the mean of its divisors is an integer number (10187167618).

Almost surely, 240747069351 is an apocalyptic number.

40747069351 is a deficient number, since it is larger than the sum of its proper divisors (1601121).

40747069351 is a wasteful number, since it uses less digits than its factorization.

40747069351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601120.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 40747069351 in words is "forty billion, seven hundred forty-seven million, sixty-nine thousand, three hundred fifty-one".

Divisors: 1 25867 1575253 40747069351