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102100202021001 = 379430802540173
BaseRepresentation
bin10111001101110000001110…
…010001011110000010001001
3111101111200110121221110012210
4113031300032101132002021
5101340302203204133001
61001052104004455333
730335332120601322
oct2715601621360211
9441450417843183
10102100202021001
112a5944a8326468
12b54b8530aa549
1344c8014000bb2
141b2d9674ad449
15bc0cd95dedd6
hex5cdc0e45e089

102100202021001 has 8 divisors (see below), whose sum is σ = 137856812855680. Its totient is φ = 67205196266832.

The previous prime is 102100202020979. The next prime is 102100202021023. The reversal of 102100202021001 is 100120202001201.

It is an interprime number because it is at equal distance from previous prime (102100202020979) and next prime (102100202021023).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102100202021001 - 29 = 102100202020489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100202021201) 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, 215401269850 + ... + 215401270323.

It is an arithmetic number, because the mean of its divisors is an integer number (17232101606960).

Almost surely, 2102100202021001 is an apocalyptic number.

It is an amenable number.

102100202021001 is a deficient number, since it is larger than the sum of its proper divisors (35756610834679).

102100202021001 is an equidigital number, since it uses as much as digits as its factorization.

102100202021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430802540255.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102100202021001 its reverse (100120202001201), we get a palindrome (202220404022202).

The spelling of 102100202021001 in words is "one hundred two trillion, one hundred billion, two hundred two million, twenty-one thousand, one".

Divisors: 1 3 79 237 430802540173 1292407620519 34033400673667 102100202021001