Search a number
-
+
2121231013032 = 2331931150058787
BaseRepresentation
bin11110110111100011001…
…110001001010010101000
321111210021020101101212210
4132313203032021102220
5234223240114404112
64302251410205120
7306153040053525
oct36674316112250
97453236341783
102121231013032
1174867767424a
122a3137b837a0
131250537b1001
147494d4ba14c
153a2a1097b3c
hex1ede33894a8

2121231013032 has 64 divisors (see below), whose sum is σ = 5762257459200. Its totient is φ = 648253955520.

The previous prime is 2121231013019. The next prime is 2121231013039. The reversal of 2121231013032 is 2303101321212.

It is not an unprimeable number, because it can be changed into a prime (2121231013039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75015258 + ... + 75043529.

It is an arithmetic number, because the mean of its divisors is an integer number (90035272800).

Almost surely, 22121231013032 is an apocalyptic number.

It is an amenable number.

2121231013032 is an abundant number, since it is smaller than the sum of its proper divisors (3641026446168).

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

2121231013032 is a wasteful number, since it uses less digits than its factorization.

2121231013032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150058846 (or 150058842 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2121231013032 its reverse (2303101321212), we get a palindrome (4424332334244).

The spelling of 2121231013032 in words is "two trillion, one hundred twenty-one billion, two hundred thirty-one million, thirteen thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 19 24 31 38 57 62 76 93 114 124 152 186 228 248 372 456 589 744 1178 1767 2356 3534 4712 7068 14136 150058787 300117574 450176361 600235148 900352722 1200470296 1800705444 2851116953 3601410888 4651822397 5702233906 8553350859 9303644794 11404467812 13955467191 17106701718 18607289588 22808935624 27910934382 34213403436 37214579176 55821868764 68426806872 88384625543 111643737528 176769251086 265153876629 353538502172 530307753258 707077004344 1060615506516 2121231013032