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1020023013210 = 23573334636679
BaseRepresentation
bin11101101011111100001…
…10111111111101011010
310121111212011020212220220
432311332012333331122
5113203001342410320
62100331521100510
7133460056361565
oct16657606777532
93544764225826
101020023013210
113636534430a3
1214582b787736
1375259670256
14375257dd4dc
151b7ee52ae40
hexed7e1bff5a

1020023013210 has 32 divisors (see below), whose sum is σ = 2448389600640. Its totient is φ = 271968984768.

The previous prime is 1020023013167. The next prime is 1020023013259. The reversal of 1020023013210 is 123103200201.

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 1020023013210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2098350 + ... + 2538329.

It is an arithmetic number, because the mean of its divisors is an integer number (76512175020).

Almost surely, 21020023013210 is an apocalyptic number.

1020023013210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020023013210 is an abundant number, since it is smaller than the sum of its proper divisors (1428366587430).

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

1020023013210 is a wasteful number, since it uses less digits than its factorization.

1020023013210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644022.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1020023013210 its reverse (123103200201), we get a palindrome (1143126213411).

The spelling of 1020023013210 in words is "one trillion, twenty billion, twenty-three million, thirteen thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 7333 14666 21999 36665 43998 73330 109995 219990 4636679 9273358 13910037 23183395 27820074 46366790 69550185 139100370 34000767107 68001534214 102002301321 170003835535 204004602642 340007671070 510011506605 1020023013210