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252801073900 = 225261293141443
BaseRepresentation
bin1110101101110000011…
…1100100001011101100
3220011112010211011011001
43223130013210023230
513120214033331100
6312045112210044
724156434446654
oct3533407441354
9804463734131
10252801073900
1198237685561
1240bb2699924
131aaba4a3b7b
14c342835364
156898bb6d6a
hex3adc1e42ec

252801073900 has 72 divisors (see below), whose sum is σ = 559478347344. Its totient is φ = 99122553600.

The previous prime is 252801073883. The next prime is 252801073907. The reversal of 252801073900 is 9370108252.

It is a super-2 number, since 2×2528010739002 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252801073900.

It is not an unprimeable number, because it can be changed into a prime (252801073907) 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, 1716579 + ... + 1858021.

It is an arithmetic number, because the mean of its divisors is an integer number (7770532602).

Almost surely, 2252801073900 is an apocalyptic number.

252801073900 is a gapful number since it is divisible by the number (20) 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 252801073900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279739173672).

252801073900 is an abundant number, since it is smaller than the sum of its proper divisors (306677273444).

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

252801073900 is a wasteful number, since it uses less digits than its factorization.

252801073900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141811 (or 141804 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 252801073900 in words is "two hundred fifty-two billion, eight hundred one million, seventy-three thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 61 100 122 244 293 305 586 610 1172 1220 1465 1525 2930 3050 5860 6100 7325 14650 17873 29300 35746 71492 89365 141443 178730 282886 357460 446825 565772 707215 893650 1414430 1787300 2828860 3536075 7072150 8628023 14144300 17256046 34512092 41442799 43140115 82885598 86280230 165771196 172560460 207213995 215700575 414427990 431401150 828855980 862802300 1036069975 2072139950 2528010739 4144279900 5056021478 10112042956 12640053695 25280107390 50560214780 63200268475 126400536950 252801073900