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420201515331442 = 21347513401725267
BaseRepresentation
bin101111110001010111100101…
…0000011100010111101110010
32001002210212120002101010020201
41133202233022003202331302
5420034040200411101232
64045405524454025414
7154336362162012205
oct13742571203427562
92032725502333221
10420201515331442
11111986509856869
123b165a5134826a
1315060aa9a80380
1475a9c0cd1b93c
15338a6144b0be7
hex17e2bca0e2f72

420201515331442 has 16 divisors (see below), whose sum is σ = 678929935888512. Its totient is φ = 193898340162000.

The previous prime is 420201515331401. The next prime is 420201515331491. The reversal of 420201515331442 is 244133515102024.

It is a super-2 number, since 2×4202015153314422 (a number of 30 digits) contains 22 as substring.

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, 1700739108 + ... + 1700986159.

It is an arithmetic number, because the mean of its divisors is an integer number (42433120993032).

Almost surely, 2420201515331442 is an apocalyptic number.

420201515331442 is a deficient number, since it is larger than the sum of its proper divisors (258728420557070).

420201515331442 is a wasteful number, since it uses less digits than its factorization.

420201515331442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401730033.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 420201515331442 in words is "four hundred twenty trillion, two hundred one billion, five hundred fifteen million, three hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 13 26 4751 9502 61763 123526 3401725267 6803450534 44222428471 88444856942 16161596743517 32323193487034 210100757665721 420201515331442