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20514303274 = 2174261141601
BaseRepresentation
bin10011000110101111…
…110110110100101010
31221221200021120201011
4103012233312310222
5314003130201044
613231340414134
71324235462233
oct230657666452
957850246634
1020514303274
118777875753
123b8624734a
131c1c0ca1ba
14dc872208a
15800eac134
hex4c6bf6d2a

20514303274 has 16 divisors (see below), whose sum is σ = 32589417096. Its totient is φ = 9651456000.

The previous prime is 20514303259. The next prime is 20514303281. The reversal of 20514303274 is 47230341502.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17277262249 + 3237041025 = 131443^2 + 56895^2 .

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, 74074 + ... + 215674.

Almost surely, 220514303274 is an apocalyptic number.

20514303274 is a deficient number, since it is larger than the sum of its proper divisors (12075113822).

20514303274 is a wasteful number, since it uses less digits than its factorization.

20514303274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145881.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 20514303274 its reverse (47230341502), we get a palindrome (67744644776).

The spelling of 20514303274 in words is "twenty billion, five hundred fourteen million, three hundred three thousand, two hundred seventy-four".

Divisors: 1 2 17 34 4261 8522 72437 141601 144874 283202 2407217 4814434 603361861 1206723722 10257151637 20514303274