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420415310333152 = 25232118633136949
BaseRepresentation
bin101111110010111011001000…
…1001110110000010011100000
32001010120022101211101111112101
41133211312101032300103200
5420101041023421130102
64050052043254540144
7154361001211362121
oct13745662116602340
92033508354344471
10420415310333152
11111a5914a529a22
123b19b378967654
1315077cbc094044
1475b62d1192048
153390e78a72e87
hex17e5d913b04e0

420415310333152 has 96 divisors (see below), whose sum is σ = 868778352691200. Its totient is φ = 199883315089920.

The previous prime is 420415310333089. The next prime is 420415310333159. The reversal of 420415310333152 is 251333013514024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420415310333159) 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, 132451974 + ... + 135588922.

It is an arithmetic number, because the mean of its divisors is an integer number (9049774507200).

Almost surely, 2420415310333152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420415310333152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434389176345600).

420415310333152 is an abundant number, since it is smaller than the sum of its proper divisors (448363042358048).

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

420415310333152 is a wasteful number, since it uses less digits than its factorization.

420415310333152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138056 (or 3138048 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 420415310333152 its reverse (251333013514024), we get a palindrome (671748323847176).

The spelling of 420415310333152 in words is "four hundred twenty trillion, four hundred fifteen billion, three hundred ten million, three hundred thirty-three thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 23 32 46 92 184 211 368 422 736 844 863 1688 1726 3376 3452 4853 6752 6904 9706 13808 19412 19849 27616 38824 39698 77648 79396 155296 158792 182093 317584 364186 635168 728372 1456744 2913488 3136949 4188139 5826976 6273898 8376278 12547796 16752556 25095592 33505112 50191184 67010224 72149827 100382368 134020448 144299654 288599308 577198616 661896239 1154397232 1323792478 2308794464 2647584956 2707186987 5295169912 5414373974 10590339824 10828747948 15223613497 21180679648 21657495896 30447226994 43314991792 60894453988 62265300701 86629983584 121788907976 124530601402 243577815952 249061202804 487155631904 498122405608 571216454257 996244811216 1142432908514 1992489622432 2284865817028 4569731634056 9139463268112 13137978447911 18278926536224 26275956895822 52551913791644 105103827583288 210207655166576 420415310333152