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104451511240 = 23519503273233
BaseRepresentation
bin110000101000111001…
…0111001001111001000
3100222121101221112200101
41201101302321033020
53202404041324430
6115552342215144
710355256124246
oct1412162711710
9328541845611
10104451511240
114033017840a
12182b07244b4
139b07b3996b
1450ac347796
152ab4e4adca
hex1851cb93c8

104451511240 has 64 divisors (see below), whose sum is σ = 247877884800. Its totient is φ = 39502789632.

The previous prime is 104451511211. The next prime is 104451511361. The reversal of 104451511240 is 42115154401.

It is a junction number, because it is equal to n+sod(n) for n = 104451511199 and 104451511208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245664 + ... + 518896.

It is an arithmetic number, because the mean of its divisors is an integer number (3873091950).

Almost surely, 2104451511240 is an apocalyptic number.

104451511240 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 104451511240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123938942400).

104451511240 is an abundant number, since it is smaller than the sum of its proper divisors (143426373560).

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

104451511240 is a wasteful number, since it uses less digits than its factorization.

104451511240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273766 (or 273762 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 104451511240 its reverse (42115154401), we get a palindrome (146566665641).

The spelling of 104451511240 in words is "one hundred four billion, four hundred fifty-one million, five hundred eleven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 503 760 1006 2012 2515 4024 5030 9557 10060 19114 20120 38228 47785 76456 95570 191140 273233 382280 546466 1092932 1366165 2185864 2732330 5191427 5464660 10382854 10929320 20765708 25957135 41531416 51914270 103828540 137436199 207657080 274872398 549744796 687180995 1099489592 1374361990 2611287781 2748723980 5222575562 5497447960 10445151124 13056438905 20890302248 26112877810 52225755620 104451511240