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2028472012 = 227216276361
BaseRepresentation
bin111100011101000…
…0000011011001100
312020100221001111001
41320322000123030
513123242101022
6533141110044
7101160504400
oct17072003314
95210831431
102028472012
11951024056
124873b8324
132643359c8
1415358b100
15bd138b27
hex78e806cc

2028472012 has 36 divisors (see below), whose sum is σ = 4132577064. Its totient is φ = 868674240.

The previous prime is 2028472003. The next prime is 2028472037. The reversal of 2028472012 is 2102748202.

It is a super-2 number, since 2×20284720122 = 8229397406934656288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315712 + ... + 322072.

Almost surely, 22028472012 is an apocalyptic number.

It is an amenable number.

2028472012 is an abundant number, since it is smaller than the sum of its proper divisors (2104105052).

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

2028472012 is a wasteful number, since it uses less digits than its factorization.

2028472012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8006 (or 7997 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 2028472012 is about 45038.5613891030. The cubic root of 2028472012 is about 1265.8716488835.

The spelling of 2028472012 in words is "two billion, twenty-eight million, four hundred seventy-two thousand, twelve".

Divisors: 1 2 4 7 14 28 49 98 196 1627 3254 6361 6508 11389 12722 22778 25444 44527 45556 79723 89054 159446 178108 311689 318892 623378 1246756 10349347 20698694 41397388 72445429 144890858 289781716 507118003 1014236006 2028472012