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2120647060 = 225721171789
BaseRepresentation
bin111111001100110…
…1000000110010100
312110210101000212201
41332121220012110
513320341201220
6550232454244
7103360126330
oct17631500624
95423330781
102120647060
11999060584
124b224a384
1327a46995c
141619027c0
15c6294d0a
hex7e668194

2120647060 has 48 divisors (see below), whose sum is σ = 5113745280. Its totient is φ = 723623040.

The previous prime is 2120647051. The next prime is 2120647073. The reversal of 2120647060 is 607460212.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 6355 + ... + 65434.

It is an arithmetic number, because the mean of its divisors is an integer number (106536360).

Almost surely, 22120647060 is an apocalyptic number.

2120647060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120647060 is an abundant number, since it is smaller than the sum of its proper divisors (2993098220).

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

2120647060 is a wasteful number, since it uses less digits than its factorization.

2120647060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72016 (or 72014 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2120647060 is about 46050.4838193911. The cubic root of 2120647060 is about 1284.7623415499.

The spelling of 2120647060 in words is "two billion, one hundred twenty million, six hundred forty-seven thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 211 422 844 1055 1477 2110 2954 4220 5908 7385 14770 29540 71789 143578 287156 358945 502523 717890 1005046 1435780 2010092 2512615 5025230 10050460 15147479 30294958 60589916 75737395 106032353 151474790 212064706 302949580 424129412 530161765 1060323530 2120647060