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31416661414 = 230788357947
BaseRepresentation
bin11101010000100101…
…000011010110100110
310000002110222202111101
4131100211003112212
51003320131131124
622233240030314
72161351134025
oct352045032646
9100073882441
1031416661414
1112361982796
12610946239a
132c68a284a8
1417406568bc
15c3d1b0644
hex7509435a6

31416661414 has 16 divisors (see below), whose sum is σ = 47332853568. Its totient is φ = 15639161832.

The previous prime is 31416661399. The next prime is 31416661417. The reversal of 31416661414 is 41416661413.

It is a super-2 number, since 2×314166614142 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31416661417) 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, 513189 + ... + 571135.

It is an arithmetic number, because the mean of its divisors is an integer number (2958303348).

Almost surely, 231416661414 is an apocalyptic number.

31416661414 is a deficient number, since it is larger than the sum of its proper divisors (15916192154).

31416661414 is a wasteful number, since it uses less digits than its factorization.

31416661414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59139.

The product of its digits is 41472, while the sum is 37.

Subtracting 31416661414 from its reverse (41416661413), we obtain a palindrome (9999999999).

The spelling of 31416661414 in words is "thirty-one billion, four hundred sixteen million, six hundred sixty-one thousand, four hundred fourteen".

Divisors: 1 2 307 614 883 1766 57947 115894 271081 542162 17789729 35579458 51167201 102334402 15708330707 31416661414