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10101220209974 = 219618215307833
BaseRepresentation
bin1001001011111101111110…
…1001000111010100110110
31022202200000101220200111002
42102333133221013110312
52310444244333204344
633252234141243302
72061534440053265
oct222773751072466
938680011820432
1010101220209974
1132449a3519a13
121171826263532
135837056b72aa
1426cc8a2605dc
15127b5135b44e
hex92fdfa47536

10101220209974 has 32 divisors (see below), whose sum is σ = 16230507118560. Its totient is φ = 4700616019200.

The previous prime is 10101220209961. The next prime is 10101220210009. The reversal of 10101220209974 is 47990202210101.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

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, 750839 + ... + 4556994.

It is an arithmetic number, because the mean of its divisors is an integer number (507203347455).

Almost surely, 210101220209974 is an apocalyptic number.

10101220209974 is a deficient number, since it is larger than the sum of its proper divisors (6129286908586).

10101220209974 is a wasteful number, since it uses less digits than its factorization.

10101220209974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5308736.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 10101220209974 in words is "ten trillion, one hundred one billion, two hundred twenty million, two hundred nine thousand, nine hundred seventy-four".

Divisors: 1 2 19 38 61 122 821 1159 1642 2318 15599 31198 50081 100162 951539 1903078 5307833 10615666 100848827 201697654 323777813 647555626 4357730893 6151778447 8715461786 12303556894 82796886967 165593773934 265821584473 531643168946 5050610104987 10101220209974