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2542672100 = 225225426721
BaseRepresentation
bin1001011110001110…
…0001100011100100
320120012111010101202
42113203201203210
520201411001400
61100150142032
7120003233123
oct22743414344
96505433352
102542672100
1110952aa201
125ab651918
13316a20307
141a199baba
15ed3594d5
hex978e18e4

2542672100 has 18 divisors (see below), whose sum is σ = 5517598674. Its totient is φ = 1017068800.

The previous prime is 2542672073. The next prime is 2542672109. The reversal of 2542672100 is 12762452.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1705636 + 2540966464 = 1306^2 + 50408^2 .

It is not an unprimeable number, because it can be changed into a prime (2542672109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12713261 + ... + 12713460.

Almost surely, 22542672100 is an apocalyptic number.

2542672100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2542672100 is an abundant number, since it is smaller than the sum of its proper divisors (2974926574).

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

2542672100 is a wasteful number, since it uses less digits than its factorization.

2542672100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25426735 (or 25426728 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2542672100 is about 50424.9154684467. The cubic root of 2542672100 is about 1364.8872784142.

The spelling of 2542672100 in words is "two billion, five hundred forty-two million, six hundred seventy-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 25426721 50853442 101706884 127133605 254267210 508534420 635668025 1271336050 2542672100