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120913239552 = 293711245651
BaseRepresentation
bin111000010011011111…
…1011001111000000000
3102120002122120222122120
41300212333121320000
53440112242131202
6131314034204240
711510225402250
oct1604677317000
9376078528576
10120913239552
114730840a556
121b525723680
13b52c467cc1
145bd074b960
15322a24a0bc
hex1c26fd9e00

120913239552 has 80 divisors (see below), whose sum is σ = 368137663872. Its totient is φ = 34546636800.

The previous prime is 120913239463. The next prime is 120913239553. The reversal of 120913239552 is 255932319021.

It is a super-2 number, since 2×1209132395522 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120913239553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5612074 + ... + 5633577.

Almost surely, 2120913239552 is an apocalyptic number.

120913239552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120913239552 is an abundant number, since it is smaller than the sum of its proper divisors (247224424320).

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

120913239552 is an equidigital number, since it uses as much as digits as its factorization.

120913239552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11245679 (or 11245663 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 120913239552 in words is "one hundred twenty billion, nine hundred thirteen million, two hundred thirty-nine thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1344 1536 1792 2688 3584 5376 10752 11245651 22491302 33736953 44982604 67473906 78719557 89965208 134947812 157439114 179930416 236158671 269895624 314878228 359860832 472317342 539791248 629756456 719721664 944634684 1079582496 1259512912 1439443328 1889269368 2159164992 2519025824 2878886656 3778538736 4318329984 5038051648 5757773312 7557077472 8636659968 10076103296 15114154944 17273319936 20152206592 30228309888 40304413184 60456619776 120913239552