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140144839680 = 2103531893307
BaseRepresentation
bin1000001010000101001…
…0001000110000000000
3111101201221020111102210
42002201102020300000
54244004034332210
6144214234142120
713060630324266
oct2024122106000
9441657214383
10140144839680
115448712135a
12231b2281940
13102a58a5151
146ad6972436
1539a37d1e20
hex20a1488c00

140144839680 has 352 divisors, whose sum is σ = 468044421120. Its totient is φ = 35749232640.

The previous prime is 140144839673. The next prime is 140144839693. The reversal of 140144839680 is 86938441041.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42376587 + ... + 42379893.

Almost surely, 2140144839680 is an apocalyptic number.

140144839680 is a gapful number since it is divisible by the number (10) 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 140144839680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234022210560).

140144839680 is an abundant number, since it is smaller than the sum of its proper divisors (327899581440).

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

140144839680 is a wasteful number, since it uses less digits than its factorization.

140144839680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455 (or 3437 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 140144839680 in words is "one hundred forty billion, one hundred forty-four million, eight hundred thirty-nine thousand, six hundred eighty".