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1013212010220 = 2235295310986901
BaseRepresentation
bin11101011111010000010…
…01000101011011101100
310120212021111011002021220
432233220021011123230
5113100024233311340
62053244013423340
7133126223662164
oct16575011053354
93525244132256
101013212010220
11360778846803
1214444a79ab50
137471256b377
143707addd5a4
151b5515e5ed0
hexebe82456ec

1013212010220 has 96 divisors (see below), whose sum is σ = 2990195248320. Its totient is φ = 255950822400.

The previous prime is 1013212010179. The next prime is 1013212010243. The reversal of 1013212010220 is 220102123101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1013212010220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5401231 + ... + 5585670.

It is an arithmetic number, because the mean of its divisors is an integer number (31147867170).

Almost surely, 21013212010220 is an apocalyptic number.

1013212010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013212010220 is an abundant number, since it is smaller than the sum of its proper divisors (1976983238100).

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

1013212010220 is a wasteful number, since it uses less digits than its factorization.

1013212010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10986995 (or 10986993 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1013212010220 its reverse (220102123101), we get a palindrome (1233314133321).

The spelling of 1013212010220 in words is "one trillion, thirteen billion, two hundred twelve million, ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 53 58 60 87 106 116 145 159 174 212 265 290 318 348 435 530 580 636 795 870 1060 1537 1590 1740 3074 3180 4611 6148 7685 9222 15370 18444 23055 30740 46110 92220 10986901 21973802 32960703 43947604 54934505 65921406 109869010 131842812 164803515 219738020 318620129 329607030 582305753 637240258 659214060 955860387 1164611506 1274480516 1593100645 1746917259 1911720774 2329223012 2911528765 3186201290 3493834518 3823441548 4779301935 5823057530 6372402580 6987669036 8734586295 9558603870 11646115060 16886866837 17469172590 19117207740 33773733674 34938345180 50660600511 67547467348 84434334185 101321201022 168868668370 202642402044 253303002555 337737336740 506606005110 1013212010220