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31480709480652 = 22316196892
BaseRepresentation
bin1110010100001101011001…
…00000011000000011001100
311010110112012202210222110010
413022012230200120003030
513111234443111340102
6150542012134113220
76426256220326455
oct712065440300314
9133415182728403
1031480709480652
11a03799188a773
123645209aab810
131474806159663
147ab962a5612c
15398d4384dd6c
hex1ca1ac8180cc

31480709480652 has 18 divisors (see below), whose sum is σ = 73455034139508. Its totient is φ = 10493563348128.

The previous prime is 31480709480651. The next prime is 31480709480653. The reversal of 31480709480652 is 25608490708413.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31480709480651) and next prime (31480709480653).

It is a junction number, because it is equal to n+sod(n) for n = 31480709480592 and 31480709480601.

It is not an unprimeable number, because it can be changed into a prime (31480709480651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18626424 + ... + 20246112.

It is a 1-persistent number, because it is pandigital, but 2⋅31480709480652 = 62961418961304 is not.

Almost surely, 231480709480652 is an apocalyptic number.

It is an amenable number.

31480709480652 is an abundant number, since it is smaller than the sum of its proper divisors (41974324658856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31480709480652 is an frugal number, since it uses more digits than its factorization.

31480709480652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239385 (or 1619694 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 31480709480652 in words is "thirty-one trillion, four hundred eighty billion, seven hundred nine million, four hundred eighty thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 1619689 3239378 4859067 6478756 9718134 19436268 2623392456721 5246784913442 7870177370163 10493569826884 15740354740326 31480709480652