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122220010201985 = 54112715972939543
BaseRepresentation
bin11011110010100010010000…
…010010101110001110000001
3121000202010012122122011010222
4123302202100102232032001
5112004423040102430420
61111535033024032425
734513050534433433
oct3362422022561601
9530663178564128
10122220010201985
1135a41240543103
121185b082162715
1353273b381a5c7
1422276a13c0653
15e1e35268b225
hex6f28904ae381

122220010201985 has 32 divisors (see below), whose sum is σ = 151519054159872. Its totient is φ = 94580822085120.

The previous prime is 122220010201979. The next prime is 122220010201997. The reversal of 122220010201985 is 589102010022221.

It is a happy number.

It is not a de Polignac number, because 122220010201985 - 212 = 122220010197889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40108124 + ... + 43047666.

It is an arithmetic number, because the mean of its divisors is an integer number (4734970442496).

Almost surely, 2122220010201985 is an apocalyptic number.

It is an amenable number.

122220010201985 is a deficient number, since it is larger than the sum of its proper divisors (29299043957887).

122220010201985 is a wasteful number, since it uses less digits than its factorization.

122220010201985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941313.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 122220010201985 in words is "one hundred twenty-two trillion, two hundred twenty billion, ten million, two hundred one thousand, nine hundred eighty-five".

Divisors: 1 5 41 127 205 635 1597 5207 7985 26035 65477 202819 327385 1014095 2939543 8315579 14697715 41577895 120521263 373321961 602606315 1866609805 4694450171 15306200401 23472250855 76531002005 192472457011 596195171717 962362285055 2980975858585 24444002040397 122220010201985