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31074948580920 = 2335376998862293
BaseRepresentation
bin1110001000011001100110…
…10001011000011000111000
311002000201212121002120200120
413010030303101120120320
513033112443314042140
6150031345001533240
76355043123514426
oct704146321303070
9132021777076616
1031074948580920
1199a08a2396112
12359a6494a4220
131445480149a0a
1479606d724116
1538d4e62ec1d0
hex1c4333458638

31074948580920 has 64 divisors (see below), whose sum is σ = 95744436181920. Its totient is φ = 8062689360384.

The previous prime is 31074948580909. The next prime is 31074948580931. The reversal of 31074948580920 is 2908584947013.

It is an interprime number because it is at equal distance from previous prime (31074948580909) and next prime (31074948580931).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3499426707 + ... + 3499435586.

Almost surely, 231074948580920 is an apocalyptic number.

31074948580920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31074948580920 is an abundant number, since it is smaller than the sum of its proper divisors (64669487601000).

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

31074948580920 is a wasteful number, since it uses less digits than its factorization.

31074948580920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6998862344 (or 6998862340 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 31074948580920 in words is "thirty-one trillion, seventy-four billion, nine hundred forty-eight million, five hundred eighty thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 37 40 60 74 111 120 148 185 222 296 370 444 555 740 888 1110 1480 2220 4440 6998862293 13997724586 20996586879 27995449172 34994311465 41993173758 55990898344 69988622930 83986347516 104982934395 139977245860 167972695032 209965868790 258957904841 279954491720 419931737580 517915809682 776873714523 839863475160 1035831619364 1294789524205 1553747429046 2071663238728 2589579048410 3107494858092 3884368572615 5179158096820 6214989716184 7768737145230 10358316193640 15537474290460 31074948580920