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139831383552 = 293731443947
BaseRepresentation
bin1000001000111010011…
…0011001011000000000
3111100221002102021110120
42002032212121120000
54242333313233202
6144123155500240
713050103102110
oct2021646313000
9440832367416
10139831383552
1154336197103
12231252b7680
1310255975653
146aa7099040
1539860160bc
hex208e999600

139831383552 has 320 divisors, whose sum is σ = 440927207424. Its totient is φ = 38535045120.

The previous prime is 139831383463. The next prime is 139831383553. The reversal of 139831383552 is 255383138931.

It is a happy number.

It is a super-2 number, since 2×1398313835522 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139831383495 and 139831383504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139831383553) 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 31 ways as a sum of consecutive naturals, for example, 147656743 + ... + 147657689.

Almost surely, 2139831383552 is an apocalyptic number.

139831383552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139831383552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220463603712).

139831383552 is an abundant number, since it is smaller than the sum of its proper divisors (301095823872).

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

139831383552 is an equidigital number, since it uses as much as digits as its factorization.

139831383552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449 (or 1433 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 51.

The spelling of 139831383552 in words is "one hundred thirty-nine billion, eight hundred thirty-one million, three hundred eighty-three thousand, five hundred fifty-two".