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31354744072754 = 217612247836161
BaseRepresentation
bin1110010000100010110000…
…11000011110101000110010
311010000111002000200020201102
413020101120120132220302
513102204003440312004
6150404100502204402
76414206534121344
oct710213030365062
9133014060606642
1031354744072754
119a99521681383
123624914423702
1314659800c873b
147a5813347294
1539591ece511e
hex1c845861ea32

31354744072754 has 24 divisors (see below), whose sum is σ = 50628466845684. Its totient is φ = 14513285529600.

The previous prime is 31354744072709. The next prime is 31354744072781. The reversal of 31354744072754 is 45727044745313.

It can be written as a sum of positive squares in 6 ways, for example, as 2043055716025 + 29311688356729 = 1429355^2 + 5414027^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31354744072754.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123791567 + ... + 124044594.

Almost surely, 231354744072754 is an apocalyptic number.

31354744072754 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31354744072754 is a deficient number, since it is larger than the sum of its proper divisors (19273722772930).

31354744072754 is a wasteful number, since it uses less digits than its factorization.

31354744072754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247836302 (or 247836241 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 56.

The spelling of 31354744072754 in words is "thirty-one trillion, three hundred fifty-four billion, seven hundred forty-four million, seventy-two thousand, seven hundred fifty-four".

Divisors: 1 2 17 34 61 122 1037 2074 3721 7442 63257 126514 247836161 495672322 4213214737 8426429474 15118005821 30236011642 257006098957 514012197914 922198355081 1844396710162 15677372036377 31354744072754