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1090910909202 = 23315257576731
BaseRepresentation
bin11111101111111110101…
…10110111001100010010
310212021211110100010010020
433313333112313030102
5120333141143043302
62153054010444310
7141546534505362
oct17677726671422
93767743303106
101090910909202
1139071a84a604
12157513a33696
137bb45a33b3a
143ab2c3009a2
151d59ca76ebc
hexfdff5b7312

1090910909202 has 16 divisors (see below), whose sum is σ = 2181832522272. Its totient is φ = 363635185760.

The previous prime is 1090910909197. The next prime is 1090910909237. The reversal of 1090910909202 is 2029090190901.

It is a super-2 number, since 2×10909109092022 (a number of 25 digits) contains 22 as substring.

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, 1603177 + ... + 2179907.

It is an arithmetic number, because the mean of its divisors is an integer number (136364532642).

Almost surely, 21090910909202 is an apocalyptic number.

1090910909202 is an abundant number, since it is smaller than the sum of its proper divisors (1090921613070).

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

1090910909202 is a wasteful number, since it uses less digits than its factorization.

1090910909202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891993.

The product of its (nonzero) digits is 26244, while the sum is 42.

The spelling of 1090910909202 in words is "one trillion, ninety billion, nine hundred ten million, nine hundred nine thousand, two hundred two".

Divisors: 1 2 3 6 315257 576731 630514 945771 1153462 1730193 1891542 3460386 181818484867 363636969734 545455454601 1090910909202