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70424021140 = 225111979161753
BaseRepresentation
bin100000110010110011…
…0010100100010010100
320201202222012221112021
41001211212110202110
52123212022134030
652204035102524
75042113205614
oct1014546244224
9221688187467
1070424021140
1127959584470
1211794a41a44
136844249735
1435a1070a44
151c7296b97a
hex1065994894

70424021140 has 48 divisors (see below), whose sum is σ = 161417551680. Its totient is φ = 25595636480.

The previous prime is 70424021137. The next prime is 70424021147. The reversal of 70424021140 is 4112042407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70424021147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354504 + ... + 516256.

It is an arithmetic number, because the mean of its divisors is an integer number (3362865660).

Almost surely, 270424021140 is an apocalyptic number.

It is an amenable number.

70424021140 is an abundant number, since it is smaller than the sum of its proper divisors (90993530540).

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

70424021140 is a wasteful number, since it uses less digits than its factorization.

70424021140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163752 (or 163750 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

Adding to 70424021140 its reverse (4112042407), we get a palindrome (74536063547).

The spelling of 70424021140 in words is "seventy billion, four hundred twenty-four million, twenty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1979 3958 7916 9895 19790 21769 39580 43538 87076 108845 161753 217690 323506 435380 647012 808765 1617530 1779283 3235060 3558566 7117132 8896415 17792830 35585660 320109187 640218374 1280436748 1600545935 3201091870 3521201057 6402183740 7042402114 14084804228 17606005285 35212010570 70424021140