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378149165044 = 227171137030363
BaseRepresentation
bin1011000000010110111…
…00100101011111110100
31100011001212100221111021
411200023130211133310
522143422141240134
6445415212550524
736214613603560
oct5401334453764
91304055327437
10378149165044
11136410388712
1261355482444
13298756851c1
14144341706a0
159c834320b4
hex580b7257f4

378149165044 has 48 divisors (see below), whose sum is σ = 807873187968. Its totient is φ = 151180904448.

The previous prime is 378149165041. The next prime is 378149165057. The reversal of 378149165044 is 440561941873.

It is a junction number, because it is equal to n+sod(n) for n = 378149164982 and 378149165000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378149165041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3461394 + ... + 3568969.

It is an arithmetic number, because the mean of its divisors is an integer number (16830691416).

Almost surely, 2378149165044 is an apocalyptic number.

378149165044 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

378149165044 is an abundant number, since it is smaller than the sum of its proper divisors (429724022924).

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

378149165044 is a wasteful number, since it uses less digits than its factorization.

378149165044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030504 (or 7030502 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 378149165044 in words is "three hundred seventy-eight billion, one hundred forty-nine million, one hundred sixty-five thousand, forty-four".

Divisors: 1 2 4 7 14 17 28 34 68 113 119 226 238 452 476 791 1582 1921 3164 3842 7684 13447 26894 53788 7030363 14060726 28121452 49212541 98425082 119516171 196850164 239032342 478064684 794431019 836613197 1588862038 1673226394 3177724076 3346452788 5561017133 11122034266 13505327323 22244068532 27010654646 54021309292 94537291261 189074582522 378149165044