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2520122380 = 225196631901
BaseRepresentation
bin1001011000110110…
…0000010000001100
320111122001110222221
42112031200100030
520130122404010
61054022545124
7116310454366
oct22615402014
96448043887
102520122380
1110835a8276
125a3b981a4
13312156499
1419c9abd36
15eb3a2dda
hex9636040c

2520122380 has 24 divisors (see below), whose sum is σ = 5570797680. Its totient is φ = 954993600.

The previous prime is 2520122287. The next prime is 2520122383. The reversal of 2520122380 is 832210252.

It is not an unprimeable number, because it can be changed into a prime (2520122383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3315571 + ... + 3316330.

It is an arithmetic number, because the mean of its divisors is an integer number (232116570).

Almost surely, 22520122380 is an apocalyptic number.

2520122380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520122380 is an abundant number, since it is smaller than the sum of its proper divisors (3050675300).

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

2520122380 is a wasteful number, since it uses less digits than its factorization.

2520122380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6631929 (or 6631927 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2520122380 is about 50200.8205112227. The cubic root of 2520122380 is about 1360.8404515323.

The spelling of 2520122380 in words is "two billion, five hundred twenty million, one hundred twenty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 6631901 13263802 26527604 33159505 66319010 126006119 132638020 252012238 504024476 630030595 1260061190 2520122380