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420351442202 = 231197121728279
BaseRepresentation
bin1100001110111101110…
…01011111110100011010
31111012000000101202022102
412013132321133310122
523341334432122302
6521035022123402
742240462206516
oct6073671376432
91435000352272
10420351442202
111522a748111a
1269572a20562
133083ca85733
14164b900d146
15ae03435702
hex61dee5fd1a

420351442202 has 32 divisors (see below), whose sum is σ = 654731320320. Its totient is φ = 202189962240.

The previous prime is 420351442177. The next prime is 420351442253. The reversal of 420351442202 is 202244153024.

It is a super-2 number, since 2×4203514422022 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14850299 + ... + 14878577.

It is an arithmetic number, because the mean of its divisors is an integer number (20460353760).

Almost surely, 2420351442202 is an apocalyptic number.

420351442202 is a deficient number, since it is larger than the sum of its proper divisors (234379878118).

420351442202 is a wasteful number, since it uses less digits than its factorization.

420351442202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29726.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 420351442202 its reverse (202244153024), we get a palindrome (622595595226).

The spelling of 420351442202 in words is "four hundred twenty billion, three hundred fifty-one million, four hundred forty-two thousand, two hundred two".

Divisors: 1 2 31 62 197 394 1217 2434 6107 12214 28279 37727 56558 75454 239749 479498 876649 1753298 5570963 7432219 11141926 14864438 34415543 68831086 172699853 345399706 1066881833 2133763666 6779861971 13559723942 210175721101 420351442202