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378855048738 = 23211530356431
BaseRepresentation
bin1011000001101011000…
…01010100011000100010
31100012220001121112212210
411200311201110120202
522201343343024423
6450013230302550
736241244531535
oct5406541243042
91305801545783
10378855048738
11136742886571
1261511957a56
13299589a466a
141449dbdaa1c
159cc53b7b93
hex5835854622

378855048738 has 32 divisors (see below), whose sum is σ = 761458194432. Its totient is φ = 125660581200.

The previous prime is 378855048667. The next prime is 378855048749. The reversal of 378855048738 is 837840558873.

It is a super-2 number, since 2×3788550487382 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6685383 + ... + 6741813.

It is an arithmetic number, because the mean of its divisors is an integer number (23795568576).

Almost surely, 2378855048738 is an apocalyptic number.

378855048738 is an abundant number, since it is smaller than the sum of its proper divisors (382603145694).

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

378855048738 is a wasteful number, since it uses less digits than its factorization.

378855048738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61950.

The product of its (nonzero) digits is 180633600, while the sum is 66.

The spelling of 378855048738 in words is "three hundred seventy-eight billion, eight hundred fifty-five million, forty-eight thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 211 422 633 1266 5303 10606 15909 31818 56431 112862 169293 338586 1118933 2237866 3356799 6713598 11906941 23813882 35720823 71441646 299253593 598507186 897760779 1795521558 63142508123 126285016246 189427524369 378855048738