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103020551140 = 2251321737471031
BaseRepresentation
bin101111111110010000…
…0001101101111100100
3100211220200100020110011
41133330200031233210
53141441230114030
6115154343540004
710304642144023
oct1377440155744
9324820306404
10103020551140
113a766462961
1217b7145a604
13993a53b200
144db42968ba
152a2e4dcb2a
hex17fc80dbe4

103020551140 has 288 divisors, whose sum is σ = 260421848064. Its totient is φ = 34059018240.

The previous prime is 103020551077. The next prime is 103020551141. The reversal of 103020551140 is 41155020301.

It is a happy number.

It is a super-2 number, since 2×1030205511402 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103020551141) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 99922425 + ... + 99923455.

It is an arithmetic number, because the mean of its divisors is an integer number (904242528).

Almost surely, 2103020551140 is an apocalyptic number.

103020551140 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 103020551140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130210924032).

103020551140 is an abundant number, since it is smaller than the sum of its proper divisors (157401296924).

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

103020551140 is a wasteful number, since it uses less digits than its factorization.

103020551140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 103020551140 its reverse (41155020301), we get a palindrome (144175571441).

The spelling of 103020551140 in words is "one hundred three billion, twenty million, five hundred fifty-one thousand, one hundred forty".