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202130310511240 = 235127233170770091
BaseRepresentation
bin101101111101011000100001…
…010110110011101010001000
3222111200110122212200202111121
4231331120201112303222020
5202443200333442324430
61553521214401005024
760401301345015526
oct5575304126635210
9874613585622447
10202130310511240
115944aa8a836a21
121a806260023774
1388a2a63b36027
1437cb232ccb316
151857d172b8a7a
hexb7d6215b3a88

202130310511240 has 64 divisors (see below), whose sum is σ = 460341521602560. Its totient is φ = 79871220334080.

The previous prime is 202130310511229. The next prime is 202130310511249. The reversal of 202130310511240 is 42115013031202.

202130310511240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (202130310511249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84201406 + ... + 86568685.

It is an arithmetic number, because the mean of its divisors is an integer number (7192836275040).

Almost surely, 2202130310511240 is an apocalyptic number.

202130310511240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202130310511240 is an abundant number, since it is smaller than the sum of its proper divisors (258211211091320).

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

202130310511240 is a wasteful number, since it uses less digits than its factorization.

202130310511240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170770462 (or 170770458 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 202130310511240 its reverse (42115013031202), we get a palindrome (244245323542442).

The spelling of 202130310511240 in words is "two hundred two trillion, one hundred thirty billion, three hundred ten million, five hundred eleven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 127 233 254 466 508 635 932 1016 1165 1270 1864 2330 2540 4660 5080 9320 29591 59182 118364 147955 236728 295910 591820 1183640 170770091 341540182 683080364 853850455 1366160728 1707700910 3415401820 6830803640 21687801557 39789431203 43375603114 79578862406 86751206228 108439007785 159157724812 173502412456 198947156015 216878015570 318315449624 397894312030 433756031140 795788624060 867512062280 1591577248120 5053257762781 10106515525562 20213031051124 25266288813905 40426062102248 50532577627810 101065155255620 202130310511240