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10253542420 = 22511217532417
BaseRepresentation
bin10011000110010100…
…01010010000010100
3222110120211220221101
421203022022100110
5131444401324140
64413240555444
7512043446452
oct114312122024
928416756841
1010253542420
114391948200
121ba1a82b84
13c753a0384
146d3ac19d2
1540029199a
hex26328a414

10253542420 has 72 divisors (see below), whose sum is σ = 23691186792. Its totient is φ = 3724892160.

The previous prime is 10253542417. The next prime is 10253542421. The reversal of 10253542420 is 2424535201.

It can be written as a sum of positive squares in 4 ways, for example, as 1044453124 + 9209089296 = 32318^2 + 95964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10253542421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4241052 + ... + 4243468.

It is an arithmetic number, because the mean of its divisors is an integer number (329044261).

Almost surely, 210253542420 is an apocalyptic number.

10253542420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10253542420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11845593396).

10253542420 is an abundant number, since it is smaller than the sum of its proper divisors (13437644372).

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

10253542420 is a wasteful number, since it uses less digits than its factorization.

10253542420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201 (or 4188 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 10253542420 in words is "ten billion, two hundred fifty-three million, five hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 1753 2417 2420 3506 4834 7012 8765 9668 12085 17530 19283 24170 26587 35060 38566 48340 53174 77132 96415 106348 132935 192830 212113 265870 292457 385660 424226 531740 584914 848452 1060565 1169828 1462285 2121130 2924570 4237001 4242260 5849140 8474002 16948004 21185005 42370010 46607011 84740020 93214022 186428044 233035055 466070110 512677121 932140220 1025354242 2050708484 2563385605 5126771210 10253542420