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2120754004 = 221619327479
BaseRepresentation
bin111111001101000…
…0010001101010100
312110210120110120121
41332122002031110
513320403112004
6550235041324
7103361053165
oct17632021524
95423513517
102120754004
11999123966
124b22a0244
1327a4a6535
1416192d76c
15c62b6854
hex7e682354

2120754004 has 12 divisors (see below), whose sum is σ = 3713623200. Its totient is φ = 1059718808.

The previous prime is 2120753983. The next prime is 2120754007. The reversal of 2120754004 is 4004570212.

It is a self number, because there is not a number n which added to its sum of digits gives 2120754004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120754007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157264 + ... + 170215.

It is an arithmetic number, because the mean of its divisors is an integer number (309468600).

Almost surely, 22120754004 is an apocalyptic number.

It is an amenable number.

2120754004 is a deficient number, since it is larger than the sum of its proper divisors (1592869196).

2120754004 is a wasteful number, since it uses less digits than its factorization.

2120754004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329102 (or 329100 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 2120754004 is about 46051.6449651910. The cubic root of 2120754004 is about 1284.7839379951.

The spelling of 2120754004 in words is "two billion, one hundred twenty million, seven hundred fifty-four thousand, four".

Divisors: 1 2 4 1619 3238 6476 327479 654958 1309916 530188501 1060377002 2120754004