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1009430703220 = 225172968913833
BaseRepresentation
bin11101011000001101100…
…00100010110001110100
310120111111221221210020111
432230012300202301310
5113014303230000340
62051420455112404
7132633430256422
oct16540660426164
93514457853214
101009430703220
1135a1083528a5
12143774372704
137425c04a4c4
1436bdcb36112
151b3ce66daea
hexeb06c22c74

1009430703220 has 24 divisors (see below), whose sum is σ = 2244498858504. Its totient is φ = 380020970496.

The previous prime is 1009430703181. The next prime is 1009430703223. The reversal of 1009430703220 is 223070349001.

It can be written as a sum of positive squares in 4 ways, for example, as 11613510756 + 997817192464 = 107766^2 + 998908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009430703223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484456577 + ... + 1484457256.

It is an arithmetic number, because the mean of its divisors is an integer number (93520785771).

Almost surely, 21009430703220 is an apocalyptic number.

1009430703220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1009430703220 is an abundant number, since it is smaller than the sum of its proper divisors (1235068155284).

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

1009430703220 is a wasteful number, since it uses less digits than its factorization.

1009430703220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968913859 (or 2968913857 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 1009430703220 in words is "one trillion, nine billion, four hundred thirty million, seven hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 2968913833 5937827666 11875655332 14844569165 29689138330 50471535161 59378276660 100943070322 201886140644 252357675805 504715351610 1009430703220