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4020102102 = 231087616391
BaseRepresentation
bin1110111110011101…
…1110001111010110
3101101011112100100110
43233213132033112
531213121231402
61502524423450
7201423206202
oct35747361726
911334470313
104020102102
111783274235
129423a7b86
134c0b3c453
142a1ca7b02
15187de656c
hexef9de3d6

4020102102 has 16 divisors (see below), whose sum is σ = 8047613952. Its totient is φ = 1338799080.

The previous prime is 4020102101. The next prime is 4020102131. The reversal of 4020102102 is 2012010204.

It is a super-2 number, since 2×40201021022 = 32322441821009636808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020102101) 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, 301674 + ... + 314717.

It is an arithmetic number, because the mean of its divisors is an integer number (502975872).

Almost surely, 24020102102 is an apocalyptic number.

4020102102 is an abundant number, since it is smaller than the sum of its proper divisors (4027511850).

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

4020102102 is a wasteful number, since it uses less digits than its factorization.

4020102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617483.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 4020102102 is about 63404.2751082291. The cubic root of 4020102102 is about 1590.0557846019.

Adding to 4020102102 its reverse (2012010204), we get a palindrome (6032112306).

It can be divided in two parts, 4020102 and 102, that added together give a palindrome (4020204).

The spelling of 4020102102 in words is "four billion, twenty million, one hundred two thousand, one hundred two".

Divisors: 1 2 3 6 1087 2174 3261 6522 616391 1232782 1849173 3698346 670017017 1340034034 2010051051 4020102102