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11420974924 = 2241431978221
BaseRepresentation
bin10101010001011111…
…00011111101001100
31002110221120122021021
422220233203331030
5141342232144144
65125143043524
7553010453662
oct125057437514
932427518237
1011420974924
11493092a557
122268a405a4
131100201038
147a4b74c32
1546c9e7884
hex2a8be3f4c

11420974924 has 48 divisors (see below), whose sum is σ = 21059238816. Its totient is φ = 5413363200.

The previous prime is 11420974907. The next prime is 11420974931. The reversal of 11420974924 is 42947902411.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1385134 + ... + 1393354.

It is an arithmetic number, because the mean of its divisors is an integer number (438734142).

Almost surely, 211420974924 is an apocalyptic number.

It is an amenable number.

11420974924 is a deficient number, since it is larger than the sum of its proper divisors (9638263892).

11420974924 is a wasteful number, since it uses less digits than its factorization.

11420974924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8506 (or 8504 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 11420974924 in words is "eleven billion, four hundred twenty million, nine hundred seventy-four thousand, nine hundred twenty-four".

Divisors: 1 2 4 41 43 82 86 164 172 197 394 788 1763 3526 7052 8077 8221 8471 16154 16442 16942 32308 32884 33884 337061 347311 353503 674122 694622 707006 1348244 1389244 1414012 1619537 3239074 6478148 14493623 28987246 57974492 66401017 69640091 132802034 139280182 265604068 278560364 2855243731 5710487462 11420974924