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31488042734 = 23137109125929
BaseRepresentation
bin11101010100110101…
…010110011011101110
310000021110022022020222
4131110311112123232
51003441414331414
622244310011342
72163205642601
oct352465263356
9100243268228
1031488042734
11123991a7615
126129346b52
132c7a75b965
141749d18338
15c445b068e
hex754d566ee

31488042734 has 32 divisors (see below), whose sum is σ = 50533190400. Its totient is φ = 14688241920.

The previous prime is 31488042731. The next prime is 31488042743. The reversal of 31488042734 is 43724088413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31488042731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187082 + ... + 313010.

It is an arithmetic number, because the mean of its divisors is an integer number (1579162200).

Almost surely, 231488042734 is an apocalyptic number.

31488042734 is a deficient number, since it is larger than the sum of its proper divisors (19045147666).

31488042734 is a wasteful number, since it uses less digits than its factorization.

31488042734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126108.

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 31488042734 in words is "thirty-one billion, four hundred eighty-eight million, forty-two thousand, seven hundred thirty-four".

Divisors: 1 2 31 37 62 74 109 218 1147 2294 3379 4033 6758 8066 125023 125929 250046 251858 3903799 4659373 7807598 9318746 13726261 27452522 144440563 288881126 425514091 507871657 851028182 1015743314 15744021367 31488042734