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102203221009990 = 2512031618494559
BaseRepresentation
bin10111001111010000001010…
…101011101110011001000110
3111101212112101012100022210111
4113033100022223232121012
5101343444144034304430
61001211302255143234
730345640043551102
oct2717201253563106
9441775335308714
10102203221009990
112a624162911691
12b567803b14b1a
134504951113049
141b3493b47a902
15bc38188bec2a
hex5cf40aaee646

102203221009990 has 16 divisors (see below), whose sum is σ = 183965972376960. Its totient is φ = 40881249613120.

The previous prime is 102203221009973. The next prime is 102203221010017. The reversal of 102203221009990 is 99900122302201.

It is a super-2 number, since 2×1022032210099902 (a number of 29 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 7 ways as a sum of consecutive naturals, for example, 7784331 + ... + 16278889.

It is an arithmetic number, because the mean of its divisors is an integer number (11497873273560).

Almost surely, 2102203221009990 is an apocalyptic number.

102203221009990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102203221009990 is a deficient number, since it is larger than the sum of its proper divisors (81762751366970).

102203221009990 is a wasteful number, since it uses less digits than its factorization.

102203221009990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9697727.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 102203221009990 in words is "one hundred two trillion, two hundred three billion, two hundred twenty-one million, nine thousand, nine hundred ninety".

Divisors: 1 2 5 10 1203161 2406322 6015805 8494559 12031610 16989118 42472795 84945590 10220322100999 20440644201998 51101610504995 102203221009990