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70310232220 = 22533110620881
BaseRepresentation
bin100000101111011010…
…0010000000010011100
320201111001002212110211
41001132310100002130
52122443404412340
652144452142204
75036232053524
oct1013664200234
9221431085424
1070310232220
1127900325138
1211762907964
1368267b8907
14358dcd0684
151c679915ea
hex105ed1009c

70310232220 has 24 divisors (see below), whose sum is σ = 148097578608. Its totient is φ = 28039123200.

The previous prime is 70310232193. The next prime is 70310232247. The reversal of 70310232220 is 2223201307.

It is an interprime number because it is at equal distance from previous prime (70310232193) and next prime (70310232247).

It is a super-2 number, since 2×703102322202 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70310232191 and 70310232200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5303821 + ... + 5317060.

It is an arithmetic number, because the mean of its divisors is an integer number (6170732442).

Almost surely, 270310232220 is an apocalyptic number.

It is an amenable number.

70310232220 is an abundant number, since it is smaller than the sum of its proper divisors (77787346388).

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

70310232220 is a wasteful number, since it uses less digits than its factorization.

70310232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10621221 (or 10621219 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

Adding to 70310232220 its reverse (2223201307), we get a palindrome (72533433527).

The spelling of 70310232220 in words is "seventy billion, three hundred ten million, two hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 331 662 1324 1655 3310 6620 10620881 21241762 42483524 53104405 106208810 212417620 3515511611 7031023222 14062046444 17577558055 35155116110 70310232220