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1202105522120 = 23530052638053
BaseRepresentation
bin10001011111100011000…
…100101001011111001000
311020220211210121201100012
4101133203010221133020
5124143403003201440
62320123433131052
7152564203226336
oct21374304513710
94226753551305
101202105522120
114238a0257018
12174b86859a88
138948688a199
144227a010b56
1521409993e65
hex117e31297c8

1202105522120 has 16 divisors (see below), whose sum is σ = 2704737424860. Its totient is φ = 480842208832.

The previous prime is 1202105522117. The next prime is 1202105522141. The reversal of 1202105522120 is 212255012021.

It can be written as a sum of positive squares in 2 ways, for example, as 1177307461444 + 24798060676 = 1085038^2 + 157474^2 .

It is a super-2 number, since 2×12021055221202 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15026318987 + ... + 15026319066.

Almost surely, 21202105522120 is an apocalyptic number.

1202105522120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202105522120 is an abundant number, since it is smaller than the sum of its proper divisors (1502631902740).

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

1202105522120 is a wasteful number, since it uses less digits than its factorization.

1202105522120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30052638064 (or 30052638060 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 1202105522120 in words is "one trillion, two hundred two billion, one hundred five million, five hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 30052638053 60105276106 120210552212 150263190265 240421104424 300526380530 601052761060 1202105522120