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42240696980 = 22583142917807
BaseRepresentation
bin100111010101101111…
…011110001010010100
311001000211022201220112
4213111233132022110
51143002104300410
631223300422152
73023523000026
oct472557361224
9131024281815
1042240696980
1116a06854929
12822a3a7958
133ca2362a71
14208a000016
151173592105
hex9d5bde294

42240696980 has 48 divisors (see below), whose sum is σ = 89842072320. Its totient is φ = 16680091008.

The previous prime is 42240696959. The next prime is 42240697019. The reversal of 42240696980 is 8969604224.

It is a happy number.

It is a super-2 number, since 2×422406969802 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 2363237 + ... + 2381043.

It is an arithmetic number, because the mean of its divisors is an integer number (1871709840).

Almost surely, 242240696980 is an apocalyptic number.

It is an amenable number.

42240696980 is an abundant number, since it is smaller than the sum of its proper divisors (47601375340).

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

42240696980 is a wasteful number, since it uses less digits than its factorization.

42240696980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19328 (or 19326 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 42240696980 in words is "forty-two billion, two hundred forty million, six hundred ninety-six thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1429 1660 2858 5716 7145 14290 17807 28580 35614 71228 89035 118607 178070 237214 356140 474428 593035 1186070 1477981 2372140 2955962 5911924 7389905 14779810 25446203 29559620 50892406 101784812 127231015 254462030 508924060 2112034849 4224069698 8448139396 10560174245 21120348490 42240696980