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31679645055100 = 2252750389973431
BaseRepresentation
bin1110011001111111111011…
…11111010111100001111100
311011011112200221012020120221
413030333331333113201330
513123014403113230400
6151213232241551124
76446531064654130
oct714777577274174
9134145627166527
1031679645055100
11a104297824229
1236778890454a4
13148a4baaa2213
147b74356193c0
1539e0d8617c1a
hex1ccffdfd787c

31679645055100 has 72 divisors (see below), whose sum is σ = 78721714487808. Its totient is φ = 10839998846400.

The previous prime is 31679645055083. The next prime is 31679645055119. The reversal of 31679645055100 is 155054697613.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44634616 + ... + 45338815.

It is an arithmetic number, because the mean of its divisors is an integer number (1093357145664).

Almost surely, 231679645055100 is an apocalyptic number.

It is an amenable number.

31679645055100 is an abundant number, since it is smaller than the sum of its proper divisors (47042069432708).

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

31679645055100 is a wasteful number, since it uses less digits than its factorization.

31679645055100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89973955 (or 89973948 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 52.

The spelling of 31679645055100 in words is "thirty-one trillion, six hundred seventy-nine billion, six hundred forty-five million, fifty-five thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 503 700 1006 2012 2515 3521 5030 7042 10060 12575 14084 17605 25150 35210 50300 70420 88025 176050 352100 89973431 179946862 359893724 449867155 629814017 899734310 1259628034 1799468620 2249335775 2519256068 3149070085 4498671550 6298140170 8997343100 12596280340 15745350425 31490700850 45256635793 62981401700 90513271586 181026543172 226283178965 316796450551 452566357930 633592901102 905132715860 1131415894825 1267185802204 1583982252755 2262831789650 3167964505510 4525663579300 6335929011020 7919911263775 15839822527550 31679645055100