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3780378008 = 2311173248317
BaseRepresentation
bin1110000101010011…
…1111110110011000
3100202110110002201022
43201110333312120
530220234044013
61423042342012
7162452453141
oct34124776630
910673402638
103780378008
11166aa19a50
1289605a908
13483287084
1427c104ac8
15171d42008
hexe153fd98

3780378008 has 32 divisors (see below), whose sum is σ = 7777319760. Its totient is φ = 1708414080.

The previous prime is 3780377999. The next prime is 3780378047. The reversal of 3780378008 is 8008730873.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a self number, because there is not a number n which added to its sum of digits gives 3780378008.

It is a congruent number.

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, 108935 + ... + 139382.

Almost surely, 23780378008 is an apocalyptic number.

It is an amenable number.

3780378008 is an abundant number, since it is smaller than the sum of its proper divisors (3996941752).

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

3780378008 is a wasteful number, since it uses less digits than its factorization.

3780378008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248507 (or 248503 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 3780378008 is about 61484.7786691958. The cubic root of 3780378008 is about 1557.8001548645.

The spelling of 3780378008 in words is "three billion, seven hundred eighty million, three hundred seventy-eight thousand, eight".

Divisors: 1 2 4 8 11 22 44 88 173 346 692 1384 1903 3806 7612 15224 248317 496634 993268 1986536 2731487 5462974 10925948 21851896 42958841 85917682 171835364 343670728 472547251 945094502 1890189004 3780378008