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102030156210 = 23518231865609
BaseRepresentation
bin101111100000101111…
…0001010000110110010
3100202100122201222000110
41133001132022012302
53132424204444320
6114512204202150
710241255006163
oct1370136120662
9322318658013
10102030156210
113a2a83aa554
1217935839356
1398102b4bc8
144d1c92976a
1529c25a75e0
hex17c178a1b2

102030156210 has 32 divisors (see below), whose sum is σ = 245006830080. Its totient is φ = 27193102208.

The previous prime is 102030156169. The next prime is 102030156269. The reversal of 102030156210 is 12651030201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 878115 + ... + 987494.

It is an arithmetic number, because the mean of its divisors is an integer number (7656463440).

Almost surely, 2102030156210 is an apocalyptic number.

102030156210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102030156210 is an abundant number, since it is smaller than the sum of its proper divisors (142976673870).

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

102030156210 is a wasteful number, since it uses less digits than its factorization.

102030156210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867442.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 102030156210 its reverse (12651030201), we get a palindrome (114681186411).

The spelling of 102030156210 in words is "one hundred two billion, thirty million, one hundred fifty-six thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1823 3646 5469 9115 10938 18230 27345 54690 1865609 3731218 5596827 9328045 11193654 18656090 27984135 55968270 3401005207 6802010414 10203015621 17005026035 20406031242 34010052070 51015078105 102030156210