Search a number
-
+
20235451124 = 2273583201701
BaseRepresentation
bin10010110110001000…
…000111101011110100
31221020020120102110202
4102312020013223310
5312420233413444
613143535540032
71314311332220
oct226610075364
957206512422
1020235451124
118644425a29
123b0898a618
131ba63c5125
14d9d695780
157d677934e
hex4b6207af4

20235451124 has 24 divisors (see below), whose sum is σ = 40482398208. Its totient is φ = 8669872800.

The previous prime is 20235451051. The next prime is 20235451139. The reversal of 20235451124 is 42115453202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527 + ... + 201174.

It is an arithmetic number, because the mean of its divisors is an integer number (1686766592).

Almost surely, 220235451124 is an apocalyptic number.

It is an amenable number.

20235451124 is an abundant number, since it is smaller than the sum of its proper divisors (20246947084).

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

20235451124 is a wasteful number, since it uses less digits than its factorization.

20235451124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205295 (or 205293 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 20235451124 in words is "twenty billion, two hundred thirty-five million, four hundred fifty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 3583 7166 14332 25081 50162 100324 201701 403402 806804 1411907 2823814 5647628 722694683 1445389366 2890778732 5058862781 10117725562 20235451124