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1020103312122 = 232251225786479
BaseRepresentation
bin11101101100000101110…
…01010100001011111010
310121112001202100111022200
432312002321110023322
5113203132421441442
62100343510131030
7133462053041316
oct16660271241372
93545052314280
101020103312122
113636947a8934
12145852650a76
13752701a66bb
1437532342b46
151b8065dd34c
hexed82e542fa

1020103312122 has 24 divisors (see below), whose sum is σ = 2219029525440. Its totient is φ = 338679717000.

The previous prime is 1020103312097. The next prime is 1020103312169. The reversal of 1020103312122 is 2212133010201.

1020103312122 is a `hidden beast` number, since 10 + 201 + 0 + 331 + 2 + 122 = 666.

It is a super-2 number, since 2×10201033121222 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1020103312095 and 1020103312104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112888722 + ... + 112897757.

It is an arithmetic number, because the mean of its divisors is an integer number (92459563560).

Almost surely, 21020103312122 is an apocalyptic number.

1020103312122 is an abundant number, since it is smaller than the sum of its proper divisors (1198926213318).

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

1020103312122 is a wasteful number, since it uses less digits than its factorization.

1020103312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225786738 (or 225786735 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1020103312122 its reverse (2212133010201), we get a palindrome (3232236322323).

The spelling of 1020103312122 in words is "one trillion, twenty billion, one hundred three million, three hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 251 502 753 1506 2259 4518 225786479 451572958 677359437 1354718874 2032078311 4064156622 56672406229 113344812458 170017218687 340034437374 510051656061 1020103312122