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2530237421240 = 235390971617923
BaseRepresentation
bin100100110100011101111…
…001110001011010111000
322221212222121002201021222
4210310131321301122320
5312423411234434430
65214213001051212
7350542433135444
oct44643571613270
98855877081258
102530237421240
11896082074411
1234a463486b08
131547a6004379
148a66d881824
1545c3d4d69e5
hex24d1de716b8

2530237421240 has 32 divisors (see below), whose sum is σ = 5693183329680. Its totient is φ = 1012068456192.

The previous prime is 2530237421233. The next prime is 2530237421269. The reversal of 2530237421240 is 421247320352.

It is a self number, because there is not a number n which added to its sum of digits gives 2530237421240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754919 + ... + 2372841.

Almost surely, 22530237421240 is an apocalyptic number.

2530237421240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530237421240 is an abundant number, since it is smaller than the sum of its proper divisors (3162945908440).

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

2530237421240 is a wasteful number, since it uses less digits than its factorization.

2530237421240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657031 (or 1657027 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 2530237421240 in words is "two trillion, five hundred thirty billion, two hundred thirty-seven million, four hundred twenty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 39097 78194 156388 195485 312776 390970 781940 1563880 1617923 3235846 6471692 8089615 12943384 16179230 32358460 64716920 63255935531 126511871062 253023742124 316279677655 506047484248 632559355310 1265118710620 2530237421240