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380708668120 = 235111261968567
BaseRepresentation
bin1011000101001000000…
…00010100001011011000
31100101200020112011122111
411202210000110023120
522214142404334440
6450521204002104
736335213166634
oct5424400241330
91311606464574
10380708668120
11137504133210
126194a690334
1329b92a19371
14145d806ddc4
159d82eb34ea
hex58a40142d8

380708668120 has 64 divisors (see below), whose sum is σ = 934554412800. Its totient is φ = 138426526080.

The previous prime is 380708668117. The next prime is 380708668121. The reversal of 380708668120 is 21866807083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380708668121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5518077 + ... + 5586643.

It is an arithmetic number, because the mean of its divisors is an integer number (14602412700).

Almost surely, 2380708668120 is an apocalyptic number.

It is an amenable number.

380708668120 is an abundant number, since it is smaller than the sum of its proper divisors (553845744680).

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

380708668120 is a wasteful number, since it uses less digits than its factorization.

380708668120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81208 (or 81204 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 380708668120 in words is "three hundred eighty billion, seven hundred eight million, six hundred sixty-eight thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 12619 25238 50476 63095 68567 100952 126190 137134 138809 252380 274268 277618 342835 504760 548536 555236 685670 694045 754237 1110472 1371340 1388090 1508474 2742680 2776180 3016948 3771185 5552360 6033896 7542370 15084740 30169480 865246973 1730493946 3460987892 4326234865 6921975784 8652469730 9517716703 17304939460 19035433406 34609878920 38070866812 47588583515 76141733624 95177167030 190354334060 380708668120