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351050030020 = 22571413959729
BaseRepresentation
bin1010001101111000011…
…01100101101111000100
31020120010021120020202201
411012330031211233010
521222422301430040
6425134204244244
734235230010164
oct5067415455704
91216107506681
10351050030020
11125974654458
1258051b40684
13271472a4771
1412dc30c45a4
1591e9318a9a
hex51bc365bc4

351050030020 has 48 divisors (see below), whose sum is σ = 747781372800. Its totient is φ = 138406499840.

The previous prime is 351050030017. The next prime is 351050030053. The reversal of 351050030020 is 20030050153.

It is a super-2 number, since 2×3510500300202 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 351050030020.

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, 5847516 + ... + 5907244.

It is an arithmetic number, because the mean of its divisors is an integer number (15578778600).

Almost surely, 2351050030020 is an apocalyptic number.

It is an amenable number.

351050030020 is an abundant number, since it is smaller than the sum of its proper divisors (396731342780).

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

351050030020 is a wasteful number, since it uses less digits than its factorization.

351050030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63948 (or 63946 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

Adding to 351050030020 its reverse (20030050153), we get a palindrome (371080080173).

The spelling of 351050030020 in words is "three hundred fifty-one billion, fifty million, thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 4139 8278 16556 20695 41390 59729 82780 119458 238916 293869 298645 587738 597290 1175476 1194580 1469345 2938690 4240759 5877380 8481518 16963036 21203795 42407590 84815180 247218331 494436662 988873324 1236091655 2472183310 4944366620 17552501501 35105003002 70210006004 87762507505 175525015010 351050030020