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253430313010320 = 24351055959637543
BaseRepresentation
bin111001100111111001010111…
…110010000100010010010000
31020020022200221020220102222010
4321213321113302010102100
5231204200240112312240
62255000140055342520
7104244510260400315
oct7147712762042220
91206280836812863
10253430313010320
1173829212863856
12245105ab081a40
13ab544b7019a84
144682142130d0c
151e47486194280
hexe67e57c84490

253430313010320 has 40 divisors (see below), whose sum is σ = 785633970332736. Its totient is φ = 67581416802688.

The previous prime is 253430313010267. The next prime is 253430313010489. The reversal of 253430313010320 is 23010313034352.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527979818532 + ... + 527979819011.

Almost surely, 2253430313010320 is an apocalyptic number.

253430313010320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253430313010320 is an abundant number, since it is smaller than the sum of its proper divisors (532203657322416).

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

253430313010320 is a wasteful number, since it uses less digits than its factorization.

253430313010320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055959637559 (or 1055959637553 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 253430313010320 its reverse (23010313034352), we get a palindrome (276440626044672).

The spelling of 253430313010320 in words is "two hundred fifty-three trillion, four hundred thirty billion, three hundred thirteen million, ten thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1055959637543 2111919275086 3167878912629 4223838550172 5279798187715 6335757825258 8447677100344 10559596375430 12671515650516 15839394563145 16895354200688 21119192750860 25343031301032 31678789126290 42238385501720 50686062602064 63357578252580 84476771003440 126715156505160 253430313010320